Registration Dossier
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EC number: 257-098-5 | CAS number: 51274-00-1
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Identification
- Display Name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Type of Substance
- Composition:
- mono-constituent substance
- Origin:
- inorganic
Substance Identifiers open all close all
Bayferrox 3905
(Grade)
Bayferrox 920
(Grade)
Bayferrox 920 Z
(Grade)
C.I. 77492
(C.I.)
C.I. Pigment Yellow 42
(C.I.), (No other type specified)
C.I. pigment, yellow 42
(No other type specified)
Pigment Yellow 42
(No other type specified)
Yellow Iron Oxide (CI PY 42)
(chemical name)
Compositions
Boundary Composition(s) open all close all
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- yes
- Range:
- >= 95 - <= 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Range:
- >= 5 - <= 90 nm
- Percentile:
- D50
- Range:
- >= 10 - <= 100 nm
- Percentile:
- D90
- Range:
- >= 12 - <= 200 nm
- Range of length:
- >= 20 - <= 700 nm
- Range of aspect ratio (:1):
- >= 4 - <= 10
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- alpha-FeOOH (Goethite)
- Pure structure:
- yes
Specific surface area
- Range of specific surface area:
- >= 5 - <= 350 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- yes
- Range:
- >= 95 - <= 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Range:
- >= 5 - <= 25 nm
- Percentile:
- D50
- Range:
- >= 20 - <= 60 nm
- Percentile:
- D90
- Range:
- >= 50 - <= 120 nm
- Range of length:
- >= 10 - <= 120 nm
- Range of aspect ratio (:1):
- >= 1 - <= 4
- Fraction of constituent particles in the size range 1-100 nm:
- >= 85 - <= 95 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- gamma-FeOOH (Lepidocrocite)
- Pure structure:
- yes
Specific surface area
- Range of specific surface area:
- >= 10 - <= 25 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- Iron hydroxide oxide yellow_nano_alpha_FeOOH
Shape
Shape description
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- yes
- Range:
- >= 95 - <= 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Range:
- >= 5 - <= 90 nm
- Percentile:
- D50
- Range:
- >= 10 - <= 100 nm
- Percentile:
- D90
- Range:
- >= 12 - <= 200 nm
- Range of length:
- >= 20 - <= 600 nm
- Range of aspect ratio (:1):
- >= 4 - <= 10
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- alpha-FeOOH (Goethite)
- Pure structure:
- yes
Specific surface area
- Range of specific surface area:
- >= 5 - <= 350 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- Iron hydroxide oxide yellow - BC_Nano_gamma-FeOOH
Shape
Shape description
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- yes
- Range:
- >= 95 - <= 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Range:
- >= 5 - <= 25 nm
- Percentile:
- D50
- Range:
- >= 20 - <= 60 nm
- Percentile:
- D90
- Range:
- >= 50 - <= 120 nm
- Range of length:
- >= 10 - <= 120 nm
- Range of aspect ratio (:1):
- >= 1 - <= 4
- Fraction of constituent particles in the size range 1-100 nm:
- >= 85 - <= 95 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- gamma-FeOOH (Lepidocrocite)
- Pure structure:
- yes
Specific surface area
- Range of specific surface area:
- >= 10 - <= 25 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- Iron hydroxide oxide yellow - Nano_alpha-FeOOH
Shape
Shape description
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- yes
- Range:
- >= 95 - <= 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Range:
- >= 5 - <= 90 nm
- Percentile:
- D50
- Range:
- >= 10 - <= 100 nm
- Percentile:
- D90
- Range:
- >= 12 - <= 200 nm
- Range of length:
- >= 20 - <= 600 nm
- Range of aspect ratio (:1):
- >= 4 - <= 10
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- alpha-FeOOH (Goethite)
- Pure structure:
- yes
Specific surface area
- Range of specific surface area:
- >= 5 - <= 350 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: bulk
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Legal Entity Composition(s) open all close all
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- ca. 99 %
- Range:
- >= 95 - <= 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 50 nm
- Range:
- >= 40 - <= 80 nm
- Percentile:
- D50
- Typical value:
- ca. 80 nm
- Range:
- >= 60 - <= 100 nm
- Percentile:
- D90
- Typical value:
- ca. 180 nm
- Range:
- >= 150 - <= 210 nm
- Typical length:
- ca. 184 nm
- Range of length:
- >= 150 - <= 210 nm
- Typical aspect ratio (:1):
- ca. 2.1 :1
- Range of aspect ratio (:1):
- >= 1 - <= 11
- Fraction of constituent particles in the size range 1-100 nm:
- >= 57 - <= 67 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- alpha-FeOOH (Goethite)
- Pure structure:
- yes
Specific surface area
- Typical specific surface area:
- ca. 15 m²/g
- Range of specific surface area:
- >= 10 - <= 20 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- ca. 99 %
- Range:
- >= 95 - <= 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 15 nm
- Range:
- >= 5 - <= 25 nm
- Percentile:
- D50
- Typical value:
- ca. 31 nm
- Range:
- >= 20 - <= 60 nm
- Percentile:
- D90
- Typical value:
- ca. 80 nm
- Range:
- >= 50 - <= 120 nm
- Typical length:
- ca. 53 nm
- Range of length:
- >= 10 - <= 120 nm
- Typical aspect ratio (:1):
- ca. 2 :1
- Range of aspect ratio (:1):
- >= 1 - <= 4
- Fraction of constituent particles in the size range 1-100 nm:
- >= 85 - <= 95 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- gamma-FeOOH (Lepidocrocite)
- Pure structure:
- yes
Specific surface area
- Typical specific surface area:
- ca. 17 m²/g
- Range of specific surface area:
- >= 10 - <= 25 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- Iron hydroxide oxide yellow - nano_alpha-FeOOH
Shape
Shape description
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- yes
- Range:
- >= 95 - <= 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- 25 nm
- Range:
- >= 5 - <= 90 nm
- Percentile:
- D50
- Typical value:
- 50 nm
- Range:
- >= 30 - <= 100 nm
- Percentile:
- D90
- Typical value:
- 120 nm
- Range:
- >= 50 - <= 200 nm
- Range of length:
- >= 20 - <= 600 nm
- Range of aspect ratio (:1):
- >= 4 - <= 10
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- alpha-FeOOH (Goethite)
- Pure structure:
- yes
Specific surface area
- Typical specific surface area:
- ca. 25 m²/g
- Range of specific surface area:
- >= 5 - <= 350 m²/g
- Skeletal density:
- ca. 4.06 g/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- Iron hydroxide oxide yellow - Nano_alpha-FeOOH
Shape
Shape description
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- yes
- Range:
- >= 95 - <= 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- 25 nm
- Range:
- >= 5 - <= 90 nm
- Percentile:
- D50
- Typical value:
- 50 nm
- Range:
- >= 30 - <= 100 nm
- Percentile:
- D90
- Typical value:
- 120 nm
- Range:
- >= 50 - <= 200 nm
- Range of length:
- >= 20 - <= 600 nm
- Range of aspect ratio (:1):
- >= 4 - <= 10
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- alpha-FeOOH (Gothite)
- Pure structure:
- yes
Specific surface area
- Typical specific surface area:
- ca. 25 m²/g
- Range of specific surface area:
- >= 5 - <= 350 m²/g
- Skeletal density:
- ca. 4.06 g/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no
Nanoform
Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- NANO- yellow
Shape
Shape description
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- ca. 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 135 nm
- Range:
- >= 85 - <= 210 nm
- Percentile:
- D50
- Typical value:
- ca. 215 nm
- Range:
- >= 109 - <= 470 nm
- Percentile:
- D90
- Typical value:
- ca. 310 nm
- Range:
- >= 150 - <= 785 nm
- Typical length:
- ca. 654.18 nm
- Range of length:
- >= 357.61 - <= 950.75 nm
- Typical lateral dimension 1:
- ca. 164.78 nm
- Range of lateral dimension 1:
- >= 97.58 - <= 232 nm
- Typical aspect ratio (:1):
- ca. 4.2 :1
- Range of aspect ratio (:1):
- >= 2.3 - <= 6.1
- Fraction of constituent particles in the size range 1-100 nm:
- >= 55.32 - <= 70 %
Crystallinity
Structuresopen allclose all
- Structure:
- crystalline
- Name:
- goethita (α-FeOOH)
- Pure structure:
- yes
- Typical composition:
- ca. 78.5 %
- Range:
- >= 75 - <= 80 %
- Crystal system:
- orthorhombic
- Structure:
- amorphous
- Pure structure:
- yes
- Typical composition:
- ca. 22 %
- Range:
- >= 21 - <= 25 %
Specific surface area
- Typical specific surface area:
- ca. 12.9 m²/g
- Range of specific surface area:
- >= 12.76 - <= 13.04 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- Iron hydroxide oxide yellow - Nano_alpha-FeOOH
Shape
Shape description
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- yes
- Range:
- >= 95 - <= 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 10 nm
- Range:
- >= 5 - <= 90 nm
- Percentile:
- D50
- Typical value:
- ca. 15 nm
- Range:
- >= 10 - <= 100 nm
- Percentile:
- D90
- Typical value:
- ca. 20 nm
- Range:
- >= 12 - <= 200 nm
- Range of length:
- >= 20 - <= 600 nm
- Range of aspect ratio (:1):
- >= 4 - <= 10
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- alpha-FeOOH (Goethite)
- Pure structure:
- yes
Specific surface area
- Typical specific surface area:
- ca. 100 m²/g
- Range of specific surface area:
- >= 5 - <= 350 m²/g
- Skeletal density:
- ca. 3.8 g/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Goethite (Fe(OH)O)
- EC Number:
- 215-176-6
- EC Name:
- Goethite (Fe(OH)O)
- CAS Number:
- 1310-14-1
- Molecular formula:
- FeHO2
- IUPAC Name:
- hydroxy(oxo)iron
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- 100 %
- Range:
- >= 95 - <= 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- 60 nm
- Range:
- >= 50 - <= 70 nm
- Percentile:
- D50
- Typical value:
- 100 nm
- Range:
- >= 90 - <= 100 nm
- Percentile:
- D90
- Typical value:
- 160 nm
- Range:
- >= 100 - <= 200 nm
- Typical length:
- 568 nm
- Range of length:
- >= 300 - <= 700 nm
- Typical aspect ratio (:1):
- 5.85 :1
- Range of aspect ratio (:1):
- >= 4 - <= 10
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- alpha-FeOOH (Goethite)
- Pure structure:
- yes
- Crystal system:
- orthorhombic
Specific surface area
- Typical specific surface area:
- 19.689 m²/g
- Range of specific surface area:
- > 9 - < 29 m²/g
- Typical volume specific surface area:
- 83.737 m²/cm³
- Range of volume specific surface area:
- > 73 - < 93 m²/cm³
- Skeletal density:
- 4.253 g/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no
- Does the set contain both treated and non-surface treated nanoforms?:
- no
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- 100 %
- Range:
- >= 95 - <= 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- 50 nm
- Range:
- >= 40 - <= 60 nm
- Percentile:
- D50
- Typical value:
- 90 nm
- Range:
- >= 70 - <= 100 nm
- Percentile:
- D90
- Typical value:
- 170 nm
- Range:
- >= 110 - <= 200 nm
- Typical length:
- 600 nm
- Range of length:
- >= 300 - <= 700 nm
- Typical aspect ratio (:1):
- 6.34 :1
- Range of aspect ratio (:1):
- >= 4 - <= 10
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- alpha-feOOH (Goethite)
- Pure structure:
- yes
- Crystal system:
- orthorhombic
Specific surface area
- Typical specific surface area:
- 14.702 m²/g
- Range of specific surface area:
- > 5 - < 25 m²/g
- Typical volume specific surface area:
- 65.586 m²/cm³
- Range of volume specific surface area:
- > 60 - < 70 m²/cm³
- Skeletal density:
- 4.461 g/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no
- Does the set contain both treated and non-surface treated nanoforms?:
- no
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- elongated
- Remarks:
- rods
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- > 97 %
- Range:
- >= 95 - <= 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 60 nm
- Range:
- >= 5 - <= 90 nm
- Percentile:
- D50
- Typical value:
- ca. 90 nm
- Range:
- >= 10 - <= 100 nm
- Percentile:
- D90
- Typical value:
- ca. 150 nm
- Range:
- >= 12 - <= 200 nm
- Typical length:
- ca. 500 nm
- Range of length:
- >= 20 - <= 700 nm
- Typical aspect ratio (:1):
- ca. 5.6 :1
- Range of aspect ratio (:1):
- >= 4 - <= 10
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- alpha-FeOOH (Goethite)
- Pure structure:
- yes
- Crystal system:
- orthorhombic
Specific surface area
- Typical specific surface area:
- ca. 20 m²/g
- Range of specific surface area:
- >= 5 - <= 350 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
- Does the set contain both treated and non-surface treated nanoforms?:
- no
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Nanoform
Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D90
- Typical value:
- 15.17 μm
- Range:
- > 14.74 - < 15.59 μm
- Percentile:
- D50
- Typical value:
- 4.8 μm
- Range:
- > 4.63 - < 4.96 μm
- Percentile:
- D10
- Typical value:
- 0.82 μm
- Range:
- > 0.81 - < 0.84 μm
- Percentile:
- D50
- Typical value:
- 14 nm
- Range:
- > 11 - < 17 nm
- Typical length:
- ca. 520 nm
- Range of length:
- > 100 - < 1 400 nm
- Typical aspect ratio (:1):
- ca. 37 :1
- Range of aspect ratio (:1):
- >= 10 - <= 175
- Fraction of constituent particles in the size range 1-100 nm:
- 1 - ca. 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Goethite
- Pure structure:
- yes
- Typical composition:
- ca. 100 %
- Range:
- > 80 - < 100 %
- Crystal system:
- orthorhombic
Specific surface area
- Typical specific surface area:
- ca. 15 m²/g
- Range of specific surface area:
- >= 15 - <= 15 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Nanoform
Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- spheroidal
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 0.02 μm
- Range:
- >= 0.016 - <= 0.026 μm
- Percentile:
- D50
- Typical value:
- ca. 0.043 μm
- Range:
- >= 0.027 - <= 0.065 μm
- Percentile:
- D90
- Typical value:
- >= 0.155 μm
- Range:
- >= 0.062 - <= 0.68 μm
- Typical length:
- ca.
- Range of length:
- >= <=
- Typical aspect ratio (:1):
- ca. 2.8 :1
- Range of aspect ratio (:1):
- >= 2.1 - <= 5.7
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Iron(III) oxide hydroxide
- Pure structure:
- yes
- Typical composition:
- ca. 98 %
- Range:
- >= 92 - ca. 99 %
Specific surface area
- Typical specific surface area:
- ca. 16.6 m²/g
- Range of specific surface area:
- >= 8.1 - <= 22.8 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
- Does the set contain both treated and non-surface treated nanoforms?:
- yes
Nanoform
Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- spheroidal
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 0.007 μm
- Range:
- >= 0.006 - <= 0.008 μm
- Percentile:
- D50
- Typical value:
- ca. 0.012 μm
- Range:
- >= 0.011 - <= 0.013 μm
- Percentile:
- D90
- Typical value:
- >= 0.021 μm
- Range:
- >= 0.019 - <= 0.022 μm
- Typical length:
- ca.
- Range of length:
- >= <=
- Typical aspect ratio (:1):
- ca. 4 :1
- Range of aspect ratio (:1):
- >= 3.8 - <= 4.2
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Iron(III) oxide hydroxide
- Pure structure:
- yes
- Typical composition:
- ca. 98 %
- Range:
- >= 92 - ca. 99 %
Specific surface area
- Typical specific surface area:
- ca. 83.8 m²/g
- Range of specific surface area:
- >= 75.7 - <= 95.1 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
- Does the set contain both treated and non-surface treated nanoforms?:
- yes
Nanoform
Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- spheroidal
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 0.019 μm
- Range:
- >= 0.019 - <= 0.019 μm
- Percentile:
- D50
- Typical value:
- ca. 0.045 μm
- Range:
- >= 0.045 - <= 0.045 μm
- Percentile:
- D90
- Typical value:
- >= 0.125 μm
- Range:
- >= 0.125 - <= 0.125 μm
- Typical length:
- ca.
- Range of length:
- >= <=
- Typical aspect ratio (:1):
- ca. 2.4 :1
- Range of aspect ratio (:1):
- >= 2.4 - <= 2.4
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Iron(III) oxide hydroxide
- Pure structure:
- yes
- Typical composition:
- ca. 98 %
- Range:
- >= 92 - ca. 99 %
Specific surface area
- Typical specific surface area:
- ca. 13.8 m²/g
- Range of specific surface area:
- >= 13.8 - <= 13.8 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- yes
- Does the set contain both treated and non-surface treated nanoforms?:
- yes
Surface treatments
- Surface treatment name:
- Surface Treatment Nanoform 3.3
Surface treatment
- Order:
- #1
- External layer:
- hydrophilic
- Description:
- addition of aluminum sulphate in the water slurry with the pigment, and precipitation with caustic soda.
Surface functionalisatioon: Alumina - Molar Ratio 0.002:1
Molar Ratio:0.002:1 - Percentage of coverage of particle surface, %:
- 100
Nanoform
Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- spheroidal
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 0.007 μm
- Range:
- >= 0.007 - <= 0.007 μm
- Percentile:
- D50
- Typical value:
- ca. 0.011 μm
- Range:
- >= 0.011 - <= 0.011 μm
- Percentile:
- D90
- Typical value:
- >= 0.018 μm
- Range:
- >= 0.018 - <= 0.018 μm
- Typical length:
- ca.
- Range of length:
- >= <=
- Typical aspect ratio (:1):
- ca. 3.9 :1
- Range of aspect ratio (:1):
- >= 3.9 - <= 3.9
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Iron(III) oxide hydroxide
- Pure structure:
- yes
- Typical composition:
- ca. 98 %
- Range:
- >= 92 - ca. 99 %
Specific surface area
- Typical specific surface area:
- ca. 102 m²/g
- Range of specific surface area:
- >= 102 - <= 102 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- yes
- Does the set contain both treated and non-surface treated nanoforms?:
- yes
Surface treatments
- Surface treatment name:
- Surface Treatment Nanoform 3.4
Surface treatment
- Order:
- #1
- External layer:
- hydrophilic
- Description:
- addition of aluminum sulphate in the water slurry with the pigment, and precipitation with caustic soda.
Surface functionalisatioon: Alumina - Molar Ratio 0.002:1
Molar Ratio:0.002:1 - Percentage of coverage of particle surface, %:
- 100
Nanoform
Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- spheroidal
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 0.008 μm
- Range:
- >= 0.008 - <= 0.008 μm
- Percentile:
- D50
- Typical value:
- ca. 0.011 μm
- Range:
- >= 0.011 - <= 0.011 μm
- Percentile:
- D90
- Typical value:
- >= 0.017 μm
- Range:
- >= 0.017 - <= 0.017 μm
- Typical length:
- ca.
- Range of length:
- >= <=
- Typical aspect ratio (:1):
- ca. 3.8 :1
- Range of aspect ratio (:1):
- >= 3.8 - <= 3.8
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Iron(III) oxide hydroxide
- Pure structure:
- yes
- Typical composition:
- ca. 98 %
- Range:
- >= 92 - ca. 99 %
Specific surface area
- Typical specific surface area:
- ca. 86.9 m²/g
- Range of specific surface area:
- >= 86.9 - <= 86.9 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- yes
- Does the set contain both treated and non-surface treated nanoforms?:
- yes
Surface treatments
- Surface treatment name:
- Surface Treatment Nanoform 3.5
Surface treatment
- Order:
- #1
- External layer:
- hydrophilic
- Description:
- Addition of sodium phosphate is made into the water slurry with the pigment. This is followed by filtration and drying.
Surface Functionalisation: Phosphate, molar ratio 0.0018 - Percentage of coverage of particle surface, %:
- 100
Nanoform
Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- spheroidal
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 0.019 μm
- Range:
- >= 0.019 - <= 0.019 μm
- Percentile:
- D50
- Typical value:
- ca. 0.045 μm
- Range:
- >= 0.045 - <= 0.045 μm
- Percentile:
- D90
- Typical value:
- >= 0.125 μm
- Range:
- >= 0.125 - <= 0.125 μm
- Typical length:
- ca.
- Range of length:
- >= <=
- Typical aspect ratio (:1):
- ca. 2.4 :1
- Range of aspect ratio (:1):
- >= 2.4 - <= 2.4
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Iron(III) oxide hydroxide
- Pure structure:
- yes
- Typical composition:
- ca. 98 %
- Range:
- >= 92 - ca. 99 %
Specific surface area
- Typical specific surface area:
- ca. 13.8 m²/g
- Range of specific surface area:
- >= 13.8 - <= 13.8 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- yes
- Does the set contain both treated and non-surface treated nanoforms?:
- yes
Surface treatments
- Surface treatment name:
- Surface Treatment Nanoform 3.3
Surface treatment
- Order:
- #1
- External layer:
- hydrophilic
- Description:
- addition of aluminum sulphate in the water slurry with the pigment, and precipitation with caustic soda.
Surface functionalisatioon: Alumina - Molar Ratio 0.002:1
Molar Ratio:0.002:1 - Percentage of coverage of particle surface, %:
- 100
Nanoform
Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- spheroidal
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 0.007 μm
- Range:
- >= 0.007 - <= 0.007 μm
- Percentile:
- D50
- Typical value:
- ca. 0.011 μm
- Range:
- >= 0.011 - <= 0.011 μm
- Percentile:
- D90
- Typical value:
- >= 0.018 μm
- Range:
- >= 0.018 - <= 0.018 μm
- Typical length:
- ca.
- Range of length:
- >= <=
- Typical aspect ratio (:1):
- ca. 3.9 :1
- Range of aspect ratio (:1):
- >= 3.9 - <= 3.9
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Iron(III) oxide hydroxide
- Pure structure:
- yes
- Typical composition:
- ca. 98 %
- Range:
- >= 92 - ca. 99 %
Specific surface area
- Typical specific surface area:
- ca. 102 m²/g
- Range of specific surface area:
- >= 102 - <= 102 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- yes
- Does the set contain both treated and non-surface treated nanoforms?:
- yes
Surface treatments
- Surface treatment name:
- Surface Treatment Nanoform 3.4
Surface treatment
- Order:
- #1
- External layer:
- hydrophilic
- Description:
- addition of aluminum sulphate in the water slurry with the pigment, and precipitation with caustic soda.
Surface functionalisatioon: Alumina - Molar Ratio 0.002:1
Molar Ratio:0.002:1 - Percentage of coverage of particle surface, %:
- 100
Nanoform
Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- spheroidal
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 0.008 μm
- Range:
- >= 0.008 - <= 0.008 μm
- Percentile:
- D50
- Typical value:
- ca. 0.011 μm
- Range:
- >= 0.011 - <= 0.011 μm
- Percentile:
- D90
- Typical value:
- >= 0.017 μm
- Range:
- >= 0.017 - <= 0.017 μm
- Typical length:
- ca.
- Range of length:
- >= <=
- Typical aspect ratio (:1):
- ca. 3.8 :1
- Range of aspect ratio (:1):
- >= 3.8 - <= 3.8
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Iron(III) oxide hydroxide
- Pure structure:
- yes
- Typical composition:
- ca. 98 %
- Range:
- >= 92 - ca. 99 %
Specific surface area
- Typical specific surface area:
- ca. 86.9 m²/g
- Range of specific surface area:
- >= 86.9 - <= 86.9 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- yes
- Does the set contain both treated and non-surface treated nanoforms?:
- yes
Surface treatments
- Surface treatment name:
- Surface Treatment Nanoform 3.5
Surface treatment
- Order:
- #1
- External layer:
- hydrophilic
- Description:
- Addition of sodium phosphate is made into the water slurry with the pigment. This is followed by filtration and drying.
Surfae Functionalisation: Phosphate, molar ratio 0.0018:1 - Percentage of coverage of particle surface, %:
- 100
Nanoform
Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- spheroidal
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 0.019 μm
- Range:
- >= 0.019 - <= 0.019 μm
- Percentile:
- D50
- Typical value:
- ca. 0.045 μm
- Range:
- >= 0.045 - <= 0.045 μm
- Percentile:
- D90
- Typical value:
- >= 0.125 μm
- Range:
- >= 0.125 - <= 0.125 μm
- Typical length:
- ca.
- Range of length:
- >= <=
- Typical aspect ratio (:1):
- ca. 2.4 :1
- Range of aspect ratio (:1):
- >= 2.4 - <= 2.4
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Iron(III) oxide hydroxide
- Pure structure:
- yes
- Typical composition:
- ca. 98 %
- Range:
- >= 92 - ca. 99 %
Specific surface area
- Typical specific surface area:
- ca. 13.8 m²/g
- Range of specific surface area:
- >= 13.8 - <= 13.8 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- yes
- Does the set contain both treated and non-surface treated nanoforms?:
- yes
Surface treatments
- Surface treatment name:
- Surface Treatment Nanoform 3.3
Surface treatment
- Order:
- #1
- External layer:
- hydrophilic
- Description:
- addition of aluminum sulphate in the water slurry with the pigment, and precipitation with caustic soda.
Surface functionalisatioon: Alumina
Molar Ratio:0.002:1 - Percentage of coverage of particle surface, %:
- 100
Nanoform
Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- spheroidal
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 0.007 μm
- Range:
- >= 0.007 - <= 0.007 μm
- Percentile:
- D50
- Typical value:
- ca. 0.011 μm
- Range:
- >= 0.011 - <= 0.011 μm
- Percentile:
- D90
- Typical value:
- >= 0.018 μm
- Range:
- >= 0.018 - <= 0.018 μm
- Typical length:
- ca.
- Range of length:
- >= <=
- Typical aspect ratio (:1):
- ca. 3.9 :1
- Range of aspect ratio (:1):
- >= 3.9 - <= 3.9
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Iron(III) oxide hydroxide
- Pure structure:
- yes
- Typical composition:
- ca. 98 %
- Range:
- >= 92 - ca. 99 %
Specific surface area
- Typical specific surface area:
- ca. 102 m²/g
- Range of specific surface area:
- >= 102 - <= 102 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- yes
- Does the set contain both treated and non-surface treated nanoforms?:
- yes
Surface treatments
- Surface treatment name:
- Surface Treatment Nanoform 3.4
Surface treatment
- Order:
- #1
- External layer:
- hydrophilic
- Description:
- addition of aluminum sulphate in the water slurry with the pigment, and precipitation with caustic soda.
Surface functionalisatioon: Alumina
Molar Ratio:0.002:1 - Percentage of coverage of particle surface, %:
- 100
Nanoform
Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- spheroidal
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 0.008 μm
- Range:
- >= 0.008 - <= 0.008 μm
- Percentile:
- D50
- Typical value:
- ca. 0.011 μm
- Range:
- >= 0.011 - <= 0.011 μm
- Percentile:
- D90
- Typical value:
- >= 0.017 μm
- Range:
- >= 0.017 - <= 0.017 μm
- Typical length:
- ca.
- Range of length:
- >= <=
- Typical aspect ratio (:1):
- ca. 3.8 :1
- Range of aspect ratio (:1):
- >= 3.8 - <= 3.8
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Iron(III) oxide hydroxide
- Pure structure:
- yes
- Typical composition:
- ca. 98 %
- Range:
- >= 92 - ca. 99 %
Specific surface area
- Typical specific surface area:
- ca. 86.9 m²/g
- Range of specific surface area:
- >= 86.9 - <= 86.9 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- yes
- Does the set contain both treated and non-surface treated nanoforms?:
- yes
Surface treatments
- Surface treatment name:
- Surface Treatment Nanoform 3.5
Surface treatment
- Order:
- #1
- External layer:
- hydrophilic
- Description:
- Addition of sodium phosphate is made into the water slurry with the pigment. This is followed by filtration and drying.
Surfae Functionalisation: Phosphate, molar ratio 0.0018 - Percentage of coverage of particle surface, %:
- 100
Nanoform
Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- ca. 100 %
- Range:
- ca. 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 41 nm
- Range:
- >= 35 - <= 47 nm
- Percentile:
- D50
- Typical value:
- ca. 96 nm
- Range:
- >= 89 - <= 103 nm
- Percentile:
- D90
- Typical value:
- ca. 163 nm
- Range:
- >= 154 - <= 173 nm
- Typical length:
- ca. 620 nm
- Range of length:
- >= 570 - <= 660 nm
- Typical aspect ratio (:1):
- ca. 6.4 :1
- Range of aspect ratio (:1):
- >= 5.5 - <= 8
- Fraction of constituent particles in the size range 1-100 nm:
- > 50 - < 60 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- goethite
- Pure structure:
- yes
- Typical composition:
- ca. 100 %
- Range:
- ca. 100 - ca. 100 %
- Crystal system:
- orthorhombic
- Bravais lattice:
- primitive orthorhombic
Specific surface area
- Typical specific surface area:
- ca. 25 m²/g
- Range of specific surface area:
- > 20 - < 30 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
- Does the set contain both treated and non-surface treated nanoforms?:
- no
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Nanoform
Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Iron hydroxide oxide yellow
- EC Number:
- 257-098-5
- EC Name:
- Iron hydroxide oxide yellow
- CAS Number:
- 51274-00-1
- Molecular formula:
- Fe(OH)O
- IUPAC Name:
- Iron oxide
Characterisation of nanoforms
Particle size distribution and range
Particle size distribution and range
- Range of length:
- 420 nm
- Range of lateral dimension 1:
- 70 nm
Specific surface area
- Range of specific surface area:
- 14.5 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
Surface treatments
- External layer:
- hydrophilic