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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Identification

Chemical structure
Display Name:
2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
EC Number:
226-939-8
EC Name:
2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
CAS Number:
5567-15-7
Molecular formula:
C36H32Cl4N6O8
IUPAC Name:
2,2'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutanamide]

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 226-939-8
  • 5567-15-7
  • 21108
  • 21108
  • C.I. Pigment Yellow 83
  • P.Y.83
  • PY 83
  • Panax Yellow 3R
  • Panax Yellow 3RH
  • Panax Yellow 3RHW
  • Pigment Yellow 83
  • Pigment yellow 83
  • SEIKAFAST YELLOW 2700(B)
  • Sudafast Yellow 137
  • pigment yellow 83
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    EC Number:
    226-939-8
    EC Name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    CAS Number:
    5567-15-7
    Molecular formula:
    C36H32Cl4N6O8
    IUPAC Name:
    2,2'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutanamide]
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    EC Number:
    226-939-8
    EC Name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    CAS Number:
    5567-15-7
    Molecular formula:
    C36H32Cl4N6O8
    IUPAC Name:
    2,2'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutanamide]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Yellow 83 - joint submission

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    no
    Range:
    >= 0 - < 100 %
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    no
    Range:
    >= 0 - < 100 %
    Shape category:
    spheroidal
    Shape:
    polyhedral
    Pure shape:
    no
    Range:
    >= 0 - <= 100 %
    Shape category:
    elongated
    Shape:
    rod
    Pure shape:
    yes
    Range:
    >= 0 - < 100 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.01 - <= 0.05 μm
    Percentile:
    D50
    Range:
    >= 0.01 - <= 0.08 μm
    Percentile:
    D90
    Range:
    >= 0.01 - <= 0.1 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 %
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.01 - <= 0.05 μm
    Percentile:
    D50
    Range:
    >= 0.01 - <= 0.08 μm
    Percentile:
    D90
    Range:
    >= 0.01 - <= 0.1 μm
    Range of length:
    >= 0.01 - <= 0.25 μm
    Range of aspect ratio (:1):
    >= 3 - <= 6
    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 Yellow 83
    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: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    EC Number:
    226-939-8
    EC Name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    CAS Number:
    5567-15-7
    Molecular formula:
    C36H32Cl4N6O8
    IUPAC Name:
    2,2'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutanamide]
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    EC Number:
    226-939-8
    EC Name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    CAS Number:
    5567-15-7
    Molecular formula:
    C36H32Cl4N6O8
    IUPAC Name:
    2,2'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutanamide]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Yellow 83 - joint submission

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    no
    Range:
    > 30 - < 70 %
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    no
    Range:
    > 0 - < 20 %
    Shape category:
    elongated
    Shape:
    rod
    Pure shape:
    yes
    Range:
    > 30 - < 70 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.01 - <= 0.025 μm
    Percentile:
    D50
    Range:
    >= 0.01 - <= 0.04 μm
    Percentile:
    D90
    Range:
    >= 0.015 - <= 0.05 μm
    Additional information:
    The determined particle size distribution relates to both shape categories. The smallest dimenstion of all particles had been considered.
    Fraction of constituent particles in the size range 1-100 nm:
    >= 90 - <= 100 %
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.01 - <= 0.025 μm
    Percentile:
    D50
    Range:
    >= 0.01 - <= 0.04 μm
    Percentile:
    D90
    Range:
    >= 0.015 - <= 0.05 μm
    Range of length:
    >= 0.03 - <= 0.14 μm
    Range of aspect ratio (:1):
    >= 3.1 - <= 5
    Additional information:
    The determined particle size distribution relates to both shape categories. The smallest dimenstion of all particles had been considered.
    Fraction of constituent particles in the size range 1-100 nm:
    >= 90 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Yellow 83
    Pure structure:
    yes

    Specific surface area

    Range of specific surface area:
    >= 55 - <= 100 m²/g
    Skeletal density:
    1.446 g/cm³

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    EC Number:
    226-939-8
    EC Name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    CAS Number:
    5567-15-7
    Molecular formula:
    C36H32Cl4N6O8
    IUPAC Name:
    2,2'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutanamide]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    This nanoform is covered by a registration:
    yes
    Name of nanoform:
    C.I. Pigment Yellow 83_spheroidal

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    polyhedral
    Pure shape:
    yes
    Typical composition:
    ca. 97.26 %
    Range:
    >= 95 - <= 100 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Remarks:
    The aspect ratio of the particles in the sample is less than or equal to 3:1
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 41.58 nm
    Range:
    >= 0 - <= 50 nm
    Percentile:
    D50
    Typical value:
    ca. 59.06 nm
    Range:
    >= 40 - <= 80 nm
    Percentile:
    D90
    Typical value:
    ca. 88.15 nm
    Range:
    >= 50 - <= 100 nm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 95 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Yellow 83
    Pure structure:
    yes
    Typical composition:
    ca. 97.26 %
    Range:
    >= 95 - <= 100 %

    Specific surface area

    Typical specific surface area:
    ca. 130.43 m²/g
    Range of specific surface area:
    >= 5 - <= 135 m²/g

    Surface functionalisation / treatment

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


    Constituent 1
    Chemical structure
    Reference substance name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    EC Number:
    226-939-8
    EC Name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    CAS Number:
    5567-15-7
    Molecular formula:
    C36H32Cl4N6O8
    IUPAC Name:
    2,2'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutanamide]
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    EC Number:
    226-939-8
    EC Name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    CAS Number:
    5567-15-7
    Molecular formula:
    C36H32Cl4N6O8
    IUPAC Name:
    2,2'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutanamide]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Yellow 83 - joint submission

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Shape:
    spherical
    Typical composition:
    25 %
    Range:
    > 0 - < 100 %
    Shape category:
    elongated
    Shape:
    rod
    Typical composition:
    75 %
    Range:
    >= 0 - < 100 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 10 - <= 50 nm
    Percentile:
    D50
    Range:
    >= 10 - <= 80 nm
    Percentile:
    D90
    Range:
    >= 10 - <= 100 nm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 10 - <= 50 nm
    Percentile:
    D50
    Range:
    >= 10 - <= 80 nm
    Percentile:
    D90
    Range:
    >= 10 - <= 100 nm
    Typical length:
    226 nm
    Range of length:
    >= 10 - <= 250 nm
    Typical aspect ratio (:1):
    4 :1
    Range of aspect ratio (:1):
    >= 3 - <= 6
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Yellow 83
    Pure structure:
    yes

    Specific surface area

    Typical specific surface area:
    34.7 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:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    EC Number:
    226-939-8
    EC Name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    CAS Number:
    5567-15-7
    Molecular formula:
    C36H32Cl4N6O8
    IUPAC Name:
    2,2'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutanamide]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Pigment Yellow 83

    Shape

    Shape descriptionopen allclose all
    Shape category:
    elongated
    Shape:
    rod
    Pure shape:
    yes
    Typical composition:
    ca. 18 %
    Range:
    >= 0 - <= 100 %
    Shape category:
    spheroidal
    Shape:
    polyhedral
    Pure shape:
    yes
    Typical composition:
    ca. 82 %
    Range:
    >= 0 - <= 100 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    < 60 nm
    Range:
    >= 10 - <= 60 nm
    Percentile:
    D50
    Typical value:
    < 80 nm
    Range:
    >= 10 - <= 80 nm
    Percentile:
    D90
    Typical value:
    < 96 nm
    Range:
    >= 10 - <= 100 nm
    Typical length:
    ca. 175 nm
    Range of length:
    >= 50 - <= 300 nm
    Typical aspect ratio (:1):
    ca. 3 :1
    Range of aspect ratio (:1):
    >= 3 - <= 6
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 45 nm
    Range:
    >= 10 - <= 50 nm
    Percentile:
    D50
    Typical value:
    ca. 67 nm
    Range:
    >= 10 - <= 80 nm
    Percentile:
    D90
    Typical value:
    ca. 90 nm
    Range:
    >= 10 - <= 100 nm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    Pigment Yellow 83
    Pure structure:
    yes
    Crystal system:
    monoclinic

    Specific surface area

    Typical specific surface area:
    ca. 58 m²/g
    Range of specific surface area:
    >= 5 - <= 125 m²/g
    Skeletal density:
    1.485 g/cm³

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    EC Number:
    226-939-8
    EC Name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    CAS Number:
    5567-15-7
    Molecular formula:
    C36H32Cl4N6O8
    IUPAC Name:
    2,2'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutanamide]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Pigment Yellow 83_Nanoform_Spheroidal

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Shape:
    polyhedral
    Pure shape:
    no
    Typical composition:
    ca. 75 %
    Range:
    > 50 - <= 100 %
    Shape category:
    elongated
    Shape:
    rod
    Pure shape:
    no
    Typical composition:
    ca. 25 %
    Range:
    >= 0 - <= 50 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 20 nm
    Range:
    > 1 - < 40 nm
    Percentile:
    D50
    Typical value:
    ca. 27 nm
    Range:
    > 5 - <= 80 nm
    Percentile:
    D90
    Typical value:
    ca. 37 nm
    Range:
    > 10 - < 90 nm
    Fraction of constituent particles in the size range 1-100 nm:
    > 90 - <= 100 %
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 18 nm
    Range:
    > 1 - < 40 nm
    Percentile:
    D50
    Typical value:
    ca. 23 nm
    Range:
    > 5 - < 60 nm
    Percentile:
    D90
    Typical value:
    ca. 28 nm
    Range:
    > 10 - < 65 nm
    Typical length:
    ca. 86 nm
    Range of length:
    > 56 - < 134 nm
    Typical aspect ratio (:1):
    ca. 3.7 :1
    Range of aspect ratio (:1):
    >= 3 - <= 4.7
    Fraction of constituent particles in the size range 1-100 nm:
    > 80 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    Pigment Yellow 83
    Pure structure:
    yes

    Specific surface area

    Typical specific surface area:
    ca. 69 m²/g
    Range of specific surface area:
    > 25 - < 89 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    EC Number:
    226-939-8
    EC Name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    CAS Number:
    5567-15-7
    Molecular formula:
    C36H32Cl4N6O8
    IUPAC Name:
    2,2'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutanamide]
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    EC Number:
    226-939-8
    EC Name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    CAS Number:
    5567-15-7
    Molecular formula:
    C36H32Cl4N6O8
    IUPAC Name:
    2,2'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutanamide]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Pigment Yellow 83 mainly spheroidal

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Remarks:
    Spheroidal shape represents 80%
    Shape:
    other: Not quantified in the TEM/SEM report. Mainly cubic and/or spherical.
    Pure shape:
    no
    Typical composition:
    ca. 80 %
    Range:
    >= 40 - <= 85 %
    Shape category:
    elongated
    Shape:
    rod
    Pure shape:
    no
    Typical composition:
    ca. 20 %
    Range:
    >= 0 - <= 50 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    spheroidal
    Remarks:
    The particle size distribution relates to spheroidal and elongated particles. Spheroidal shape represents 80% of the total number of particles
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.044 - <= 0.095 μm
    Percentile:
    D50
    Range:
    >= 0.076 - <= 0.162 μm
    Percentile:
    D90
    Range:
    >= 0.129 - <= 0.272 μm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 70 - <= 100 %
    Shape category:
    elongated
    Remarks:
    The particle size distribution relates to spheroidal and elongated particles. Elongated shape represents 20% of the total number of particles
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.044 - <= 0.095 μm
    Percentile:
    D50
    Range:
    >= 0.076 - <= 0.162 μm
    Percentile:
    D90
    Range:
    >= 0.129 - <= 0.272 μm
    Range of length:
    >= 0.1 - <= 0.32 μm
    Range of aspect ratio (:1):
    >= 3.01 - <= 7.09
    Additional information:
    Results of the tested sample
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Yellow 83
    Pure structure:
    yes
    Description:
    The tested sample of Pigment Yellow 83 contains an amorphous component and a crystalline phase identified as Pigment Yellow 83.

    Specific surface area

    Typical specific surface area:
    ca. 45.5 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:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    EC Number:
    226-939-8
    EC Name:
    2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide]
    CAS Number:
    5567-15-7
    Molecular formula:
    C36H32Cl4N6O8
    IUPAC Name:
    2,2'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutanamide]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    This nanoform is covered by a registration:
    yes
    Name of nanoform:
    C.I. Pigment Yellow 83

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Remarks:
    Orthorhombic & Polyhedral
    Shape:
    orthorhombic
    Pure shape:
    no
    Range:
    > 1 - < 100 %
    Shape category:
    elongated
    Remarks:
    Needle like
    Shape:
    other: Needle like
    Pure shape:
    yes
    Range:
    > 1 - < 100 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    elongated
    Remarks:
    Needle like
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    0.016 μm
    Range:
    > 0.01 - < 0.02 μm
    Percentile:
    D50
    Typical value:
    0.02 μm
    Range:
    0.015 - < 0.025 μm
    Percentile:
    D90
    Typical value:
    0.028 μm
    Range:
    > 0.025 - < 0.035 μm
    Percentile:
    other: D100
    Typical value:
    0.039 μm
    Range:
    > 0.035 - < 0.05 μm
    Range of length:
    > 0.014 - < 0.189 μm
    Range of aspect ratio (:1):
    >= 1.3 - <= 8.6
    Fraction of constituent particles in the size range 1-100 nm:
    > 1 - < 100 %
    Shape category:
    spheroidal
    Remarks:
    Orthorhombic and Polyhedral
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    0.016 μm
    Range:
    > 0.01 - < 0.02 μm
    Percentile:
    D50
    Typical value:
    0.023 μm
    Range:
    > 0.02 - < 0.03 μm
    Percentile:
    D90
    Typical value:
    0.037 μm
    Range:
    > 0.03 - < 0.045 μm
    Percentile:
    other: D100
    Typical value:
    0.056 μm
    Range:
    0.045 - < 0.06 μm
    Fraction of constituent particles in the size range 1-100 nm:
    > 1 - < 100 %