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Identification

Chemical structure
Display Name:
4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
EC Number:
239-898-6
EC Name:
4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
CAS Number:
15793-73-4
Molecular formula:
C34H28Cl2N8O2
IUPAC Name:
4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one]

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 15793-73-4
  • 21115
  • Irgalite Orange D 2980
  • Irgalite Orange F2G
  • Irgalite Orange K 2925
  • PIGMENT ORANGE 34
  • Pigment Orange 34

    • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    EC Number:
    239-898-6
    EC Name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    CAS Number:
    15793-73-4
    Molecular formula:
    C34H28Cl2N8O2
    IUPAC Name:
    4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Orange 34 - joint submission

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    no
    Range:
    >= 1 - < 100 %
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    no
    Range:
    >= 1 - < 100 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.01 - <= 0.05 μm
    Percentile:
    D50
    Range:
    >= 0.01 - <= 0.1 μm
    Percentile:
    D90
    Range:
    >= 0.02 - <= 0.15 μm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Orange 34
    Pure structure:
    yes

    Specific surface area

    Range of specific surface area:
    >= 5 - <= 125 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    EC Number:
    239-898-6
    EC Name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    CAS Number:
    15793-73-4
    Molecular formula:
    C34H28Cl2N8O2
    IUPAC Name:
    4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Orange 34 - joint submission

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    no
    Range:
    >= 1 - < 100 %
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    no
    Range:
    >= 1 - < 100 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.01 - <= 0.05 μm
    Percentile:
    D50
    Range:
    >= 0.01 - <= 0.1 μm
    Percentile:
    D90
    Range:
    >= 0.02 - <= 0.15 μm
    Additional information:
    The particle size distribution relates to all shape categories
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Orange 34
    Pure structure:
    yes

    Specific surface area

    Range of specific surface area:
    >= 5 - <= 125 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no

    Legal Entity Composition(s) open all close all

    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    EC Number:
    239-898-6
    EC Name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    CAS Number:
    15793-73-4
    Molecular formula:
    C34H28Cl2N8O2
    IUPAC Name:
    4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Orange 34 - joint submission

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    no
    Range:
    > 50 - < 100 %
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    no
    Range:
    > 10 - < 50 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.01 - <= 0.04 μm
    Percentile:
    D50
    Range:
    >= 0.01 - <= 0.08 μm
    Percentile:
    D90
    Range:
    >= 0.02 - <= 0.1 μm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Orange 34
    Pure structure:
    yes

    Specific surface area

    Range of specific surface area:
    >= 20 - <= 90 m²/g
    Skeletal density:
    1.421 g/cm³

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    EC Number:
    239-898-6
    EC Name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    CAS Number:
    15793-73-4
    Molecular formula:
    C34H28Cl2N8O2
    IUPAC Name:
    4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    This nanoform is covered by a registration:
    yes
    Name of nanoform:
    Pigment Orange 34

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    other: Spherical and Cubic
    Pure shape:
    yes
    Range:
    > 0 - < 100 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 17 nm
    Range:
    > 10 - < 50 nm
    Percentile:
    D50
    Typical value:
    ca. 32 nm
    Range:
    > 10 - < 100 nm
    Percentile:
    D90
    Typical value:
    ca. 50 nm
    Range:
    > 20 - < 150 nm
    Fraction of constituent particles in the size range 1-100 nm:
    > 50 - < 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    Pigment Orange 34
    Pure structure:
    yes
    Description:
    Pigment looks crystalline in nature

    Specific surface area

    Typical specific surface area:
    ca. 48.8 m²/g
    Range of specific surface area:
    > 5 - < 125 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    EC Number:
    239-898-6
    EC Name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    CAS Number:
    15793-73-4
    Molecular formula:
    C34H28Cl2N8O2
    IUPAC Name:
    4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Orange 34 - joint submission

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    no
    Typical composition:
    80 %
    Range:
    >= 1 - < 100 %
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    no
    Typical composition:
    20 %
    Range:
    >= 1 - < 100 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    45 nm
    Range:
    >= 10 - <= 50 nm
    Percentile:
    D50
    Typical value:
    78 nm
    Range:
    >= 10 - <= 100 nm
    Percentile:
    D90
    Typical value:
    110 nm
    Range:
    >= 20 - <= 150 nm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Orange 34
    Pure structure:
    yes

    Specific surface area

    Typical specific surface area:
    52 m²/g
    Range of specific surface area:
    >= 5 - <= 125 m²/g

    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
    Chemical structure
    Reference substance name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    EC Number:
    239-898-6
    EC Name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    CAS Number:
    15793-73-4
    Molecular formula:
    C34H28Cl2N8O2
    IUPAC Name:
    4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Pigment Orange 34_Nanoform_Spheroidal

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    yes

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 24.8 nm
    Range:
    > 10 - <= 50 nm
    Percentile:
    D50
    Typical value:
    ca. 38.6 nm
    Range:
    > 10 - <= 100 nm
    Percentile:
    D90
    Typical value:
    ca. 58.5 nm
    Range:
    > 20 - <= 150 nm
    Fraction of constituent particles in the size range 1-100 nm:
    > 95 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    Pigment Orange 34
    Pure structure:
    yes

    Specific surface area

    Typical specific surface area:
    ca. 46.6 m²/g
    Range of specific surface area:
    > 40 - <= 60 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    EC Number:
    239-898-6
    EC Name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    CAS Number:
    15793-73-4
    Molecular formula:
    C34H28Cl2N8O2
    IUPAC Name:
    4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one]
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    EC Number:
    239-898-6
    EC Name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    CAS Number:
    15793-73-4
    Molecular formula:
    C34H28Cl2N8O2
    IUPAC Name:
    4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Pigment Orange 34 spheroidal

    Shape

    Shape description
    Shape category:
    spheroidal
    Remarks:
    Spheroidal shape represents 98%
    Shape:
    other: Not quantified in the TEM/SEM report. Mainly cubic and/or spherical.
    Pure shape:
    no
    Typical composition:
    ca. 98 %
    Range:
    >= 70 - <= 100 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Remarks:
    Spheroidal shape represents 98% of the total number of particles
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.045 - <= 0.063 μm
    Percentile:
    D50
    Range:
    >= 0.086 - <= 0.128 μm
    Percentile:
    D90
    Range:
    >= 0.153 - < 0.203 μm
    Range of aspect ratio (:1):
    >= 1 - <= 2.84
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Orange 34
    Pure structure:
    yes
    Description:
    The tested sample of Pigment Orange 34 contains amorphous and crystalline components.The crystalline peaks show similarities to the available (Low Precision) ICDD reference data for C.I. Pigment Orange 34

    Specific surface area

    Typical specific surface area:
    ca. 46.5 m²/g
    Range of specific surface area:
    >= 5 - <= 125 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    EC Number:
    239-898-6
    EC Name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    CAS Number:
    15793-73-4
    Molecular formula:
    C34H28Cl2N8O2
    IUPAC Name:
    4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Pigment Orange 34_Nanoform_Spheroidal

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    yes

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 19 nm
    Range:
    > 1 - < 40 nm
    Percentile:
    D50
    Typical value:
    ca. 29 nm
    Range:
    > 5 - <= 100 nm
    Percentile:
    D90
    Typical value:
    ca. 41 nm
    Range:
    > 10 - < 120 nm
    Fraction of constituent particles in the size range 1-100 nm:
    > 80 - < 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    Pigment Orange 34
    Pure structure:
    yes

    Specific surface area

    Typical specific surface area:
    ca. 47.9 m²/g
    Range of specific surface area:
    > 5 - < 150 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    EC Number:
    239-898-6
    EC Name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    CAS Number:
    15793-73-4
    Molecular formula:
    C34H28Cl2N8O2
    IUPAC Name:
    4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one]

    Characterisation of nanoforms

    Type of information reported:
    set of nanoforms
    Name of set of nanoforms:
    C.I. Pigment Orange 34

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    yes
    Range:
    >= 50 - <= 100 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D90
    Range:
    >= 20 - <= 150 nm
    Percentile:
    D10
    Range:
    >= 10 - <= 50 nm
    Percentile:
    D50
    Range:
    >= 10 - <= 100 nm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Orange 34
    Pure structure:
    yes
    Range:
    70 %

    Specific surface area

    Range of specific surface area:
    >= 5 - <= 125 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    EC Number:
    239-898-6
    EC Name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    CAS Number:
    15793-73-4
    Molecular formula:
    C34H28Cl2N8O2
    IUPAC Name:
    4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Orange 34

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    yes
    Typical composition:
    ca. 100 %
    Range:
    >= 90 - <= 100 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 25 nm
    Range:
    >= 10 - <= 40 nm
    Percentile:
    D50
    Typical value:
    ca. 33 nm
    Range:
    >= 20 - <= 50 nm
    Percentile:
    D90
    Typical value:
    ca. 48 nm
    Range:
    >= 30 - <= 70 nm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 90 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Orange 34
    Pure structure:
    yes
    Typical composition:
    ca. 75.4 %
    Range:
    >= 75 - <= 100 %
    Description:
    XRD Powder Diffraction generally underestimates the crystalline fraction. It can be assumed that the substance is crystalline.

    Specific surface area

    Typical specific surface area:
    ca. 55 m²/g
    Range of specific surface area:
    >= 40 - <= 70 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    EC Number:
    239-898-6
    EC Name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    CAS Number:
    15793-73-4
    Molecular formula:
    C34H28Cl2N8O2
    IUPAC Name:
    4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Orange 34 - joint submission_SE-MX02

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    no
    Range:
    > 50 - < 100 %
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    no
    Range:
    > 10 - < 50 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.01 - <= 0.04 μm
    Percentile:
    D50
    Range:
    >= 0.01 - <= 0.08 μm
    Percentile:
    D90
    Range:
    >= 0.02 - <= 0.1 μm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Orange 34
    Pure structure:
    yes

    Specific surface area

    Range of specific surface area:
    >= 20 - <= 90 m²/g
    Skeletal density:
    1.421 g/cm³

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    EC Number:
    239-898-6
    EC Name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    CAS Number:
    15793-73-4
    Molecular formula:
    C34H28Cl2N8O2
    IUPAC Name:
    4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one]
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    EC Number:
    239-898-6
    EC Name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    CAS Number:
    15793-73-4
    Molecular formula:
    C34H28Cl2N8O2
    IUPAC Name:
    4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Orange 34 - joint submission

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    no
    Range:
    >= 1 - < 100 %
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    no
    Range:
    >= 1 - < 100 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.01 - <= 0.05 μm
    Percentile:
    D50
    Range:
    >= 0.01 - <= 0.1 μm
    Percentile:
    D90
    Range:
    >= 0.02 - <= 0.15 μm
    Additional information:
    The particle size distribution relates to all shape categories
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Orange 34
    Pure structure:
    yes

    Specific surface area

    Typical specific surface area:
    ca. 35 m²/g
    Range of specific surface area:
    >= 5 - <= 125 m²/g
    Skeletal density:
    ca. 1.4 g/cm³

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    EC Number:
    239-898-6
    EC Name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    CAS Number:
    15793-73-4
    Molecular formula:
    C34H28Cl2N8O2
    IUPAC Name:
    4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one]
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    EC Number:
    239-898-6
    EC Name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    CAS Number:
    15793-73-4
    Molecular formula:
    C34H28Cl2N8O2
    IUPAC Name:
    4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one]
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    EC Number:
    239-898-6
    EC Name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    CAS Number:
    15793-73-4
    Molecular formula:
    C34H28Cl2N8O2
    IUPAC Name:
    4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one]
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    EC Number:
    239-898-6
    EC Name:
    4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one]
    CAS Number:
    15793-73-4
    Molecular formula:
    C34H28Cl2N8O2
    IUPAC Name:
    4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one]