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Registration Dossier
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EC number: 235-464-5 | CAS number: 12236-64-5
Substance identity
Identification
- Display Name:
- N-[4-(acetylamino)phenyl]-4-[[5-(aminocarbonyl)-2-chlorophenyl]azo]-3-hydroxynaphthalene-2-carboxamide
- EC Number:
- 235-464-5
- EC Name:
- N-[4-(acetylamino)phenyl]-4-[[5-(aminocarbonyl)-2-chlorophenyl]azo]-3-hydroxynaphthalene-2-carboxamide
- CAS Number:
- 12236-64-5
- Molecular formula:
- C26H20ClN5O4
- IUPAC Name:
- N-(4-acetamidophenyl)-4-[(5-carbamoyl-2-chlorophenyl)diazenyl]-3-hydroxy-2-naphthamide
Type of Substance
- Composition:
- mono-constituent substance
- Origin:
- organic
Substance Identifiers
Compositions
Boundary Composition(s) open all close all
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- N-[4-(acetylamino)phenyl]-4-[[5-(aminocarbonyl)-2-chlorophenyl]azo]-3-hydroxynaphthalene-2-carboxamide
- EC Number:
- 235-464-5
- EC Name:
- N-[4-(acetylamino)phenyl]-4-[[5-(aminocarbonyl)-2-chlorophenyl]azo]-3-hydroxynaphthalene-2-carboxamide
- CAS Number:
- 12236-64-5
- Molecular formula:
- C26H20ClN5O4
- IUPAC Name:
- N-(4-acetamidophenyl)-4-[(5-carbamoyl-2-chlorophenyl)diazenyl]-3-hydroxy-2-naphthamide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- C.I. Pigment Orange 38 - joint submission
Shape
Shape descriptionopen allclose all
- Shape category:
- spheroidal
- Remarks:
- multimodal shapes containing >60 - <100% spheroidal and >0-<40% elongated particles
- Shape:
- cubic
- Pure shape:
- no
- Range:
- > 50 - < 100 %
- Shape category:
- spheroidal
- Remarks:
- multimodal shapes containing >60 - <100% spheroidal and >0-<40% elongated particles
- Shape:
- spherical
- Pure shape:
- no
- Range:
- > 0 - < 10 %
- Shape category:
- elongated
- Remarks:
- multimodal shapes containing >60 - <100% spheroidal and >0-<40% elongated particles
- Shape:
- rod
- Pure shape:
- no
- Range:
- > 0 - < 40 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- spheroidal
- Remarks:
- multimodal shapes containing >60 - <100% spheroidal and >0-<40% elongated particles
Percentileopen allclose all
- Percentile:
- D10
- Range:
- ca. 0.01 - ca. 0.06 μm
- Percentile:
- D50
- Range:
- ca. 0.02 - ca. 0.08 μm
- Percentile:
- D90
- Range:
- ca. 0.05 - ca. 0.11 μm
- Fraction of constituent particles in the size range 1-100 nm:
- ca. 90 - ca. 100 %
- Shape category:
- elongated
- Remarks:
- multimodal shapes containing >60 - <100% spheroidal and >0-<40% elongated particles
Percentileopen allclose all
- Percentile:
- D10
- Range:
- ca. 0.01 - ca. 0.06 μm
- Percentile:
- D50
- Range:
- ca. 0.02 - ca. 0.08 μm
- Percentile:
- D90
- Range:
- ca. 0.05 - ca. 0.11 μm
- Range of length:
- ca. 0.015 - ca. 0.41 μm
- Range of aspect ratio (:1):
- >= 3 - <= 5.7
- Fraction of constituent particles in the size range 1-100 nm:
- ca. 90 - ca. 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- C.I. Pigment Orange 38
- Pure structure:
- yes
- Crystal system:
- other: not known
Specific surface area
- Range of specific surface area:
- >= 5 - <= 200 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
Legal Entity Composition(s) open all close all
- State Form:
- solid: nanoform
- Degree of purity:
- > 95 - < 100 % (w/w)
Constituent 1
- Reference substance name:
- N-[4-(acetylamino)phenyl]-4-[[5-(aminocarbonyl)-2-chlorophenyl]azo]-3-hydroxynaphthalene-2-carboxamide
- EC Number:
- 235-464-5
- EC Name:
- N-[4-(acetylamino)phenyl]-4-[[5-(aminocarbonyl)-2-chlorophenyl]azo]-3-hydroxynaphthalene-2-carboxamide
- CAS Number:
- 12236-64-5
- Molecular formula:
- C26H20ClN5O4
- IUPAC Name:
- N-(4-acetamidophenyl)-4-[(5-carbamoyl-2-chlorophenyl)diazenyl]-3-hydroxy-2-naphthamide
Impurity 1
- Reference substance name:
- N-(4-acetylaminophenyl)-3-hydroxynaphthalene-2-carboxamide
- EC Number:
- 255-419-3
- EC Name:
- N-(4-acetylaminophenyl)-3-hydroxynaphthalene-2-carboxamide
- CAS Number:
- 41506-62-1
- Molecular formula:
- C19H16N2O3
- IUPAC Name:
- N-(4-acetamidophenyl)-3-hydroxy-2-naphthamide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- C.I. Pigment Orange 38 - joint submission
Shape
Shape descriptionopen allclose all
- Shape category:
- spheroidal
- Remarks:
- multimodal shapes containing about 63% spheroidal particles and about 37% elongated particles
- Shape:
- cubic
- Pure shape:
- no
- Typical composition:
- ca. 60 %
- Range:
- > 50 - < 100 %
- Shape category:
- spheroidal
- Remarks:
- multimodal shapes containing about 63% spheroidal particles and about 37% elongated particles
- Shape:
- spherical
- Pure shape:
- no
- Typical composition:
- ca. 3 %
- Range:
- > 0 - < 10 %
- Shape category:
- elongated
- Remarks:
- multimodal shapes containing about 63% spheroidal particles and about 37% elongated particles
- Shape:
- rod
- Pure shape:
- no
- Typical composition:
- ca. 37 %
- Range:
- > 0 - < 40 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 0.03 μm
- Range:
- ca. 0.01 - ca. 0.05 μm
- Percentile:
- D50
- Typical value:
- ca. 0.05 μm
- Range:
- ca. 0.03 - ca. 0.07 μm
- Percentile:
- D90
- Typical value:
- ca. 0.08 μm
- Range:
- ca. 0.06 - ca. 0.1 μm
- Additional information:
- multimodal shapes containing >60 - <100% spheroidal and >0-<40% elongated particles
- Fraction of constituent particles in the size range 1-100 nm:
- ca. 90 - ca. 100 %
- Shape category:
- elongated
- Remarks:
- multimodal shapes containing abot 63% spheroidal particles and about 37% elongated particles
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 0.03 μm
- Range:
- ca. 0.01 - ca. 0.05 μm
- Percentile:
- D50
- Typical value:
- ca. 0.05 μm
- Range:
- ca. 0.03 - ca. 0.07 μm
- Percentile:
- D90
- Typical value:
- ca. 0.08 μm
- Range:
- ca. 0.06 - ca. 0.1 μm
- Typical length:
- ca. 0.212 μm
- Range of length:
- ca. 0.065 - ca. 0.36 μm
- Typical aspect ratio (:1):
- ca. 4 :1
- Range of aspect ratio (:1):
- >= 3 - <= 5.5
- Additional information:
- multimodal shapes containing >60 - <100% spheroidal and >0-<40% elongated particles
- Fraction of constituent particles in the size range 1-100 nm:
- ca. 90 - ca. 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- C.I. Pigment Orange 38
- Pure structure:
- yes
- Crystal system:
- other: not known
Specific surface area
- Typical specific surface area:
- 66 m²/g
- Range of specific surface area:
- >= 46 - <= 86 m²/g
- Skeletal density:
- 1.438 g/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- N-[4-(acetylamino)phenyl]-4-[[5-(aminocarbonyl)-2-chlorophenyl]azo]-3-hydroxynaphthalene-2-carboxamide
- EC Number:
- 235-464-5
- EC Name:
- N-[4-(acetylamino)phenyl]-4-[[5-(aminocarbonyl)-2-chlorophenyl]azo]-3-hydroxynaphthalene-2-carboxamide
- CAS Number:
- 12236-64-5
- Molecular formula:
- C26H20ClN5O4
- IUPAC Name:
- N-(4-acetamidophenyl)-4-[(5-carbamoyl-2-chlorophenyl)diazenyl]-3-hydroxy-2-naphthamide
Composition(s) generated upon use
Other types of composition(s)
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
