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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
3,3'-[(2,5-dimethyl-p-phenylene)bis[imino(1-acetyl-2-oxoethylene)azo]]bis[4-chloro-N-(5-chloro-o-tolyl)benzamide]
EC Number:
226-107-4
EC Name:
3,3'-[(2,5-dimethyl-p-phenylene)bis[imino(1-acetyl-2-oxoethylene)azo]]bis[4-chloro-N-(5-chloro-o-tolyl)benzamide]
CAS Number:
5280-80-8
Molecular formula:
C44H38Cl4N8O6
IUPAC Name:
3,3'-{(2,5-dimethyl-1,4-phenylene)bis[imino(1,3-dioxobutane-2,1-diyl)diazene-2,1-diyl]}bis[4-chloro-N-(5-chloro-2-methylphenyl)benzamide]

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • Pigmnet Yellow 95
  • Cromophtal Yellow K 1500 Cromophtal Yellow D 1500
  • HF2R
  • PY95
  • Versalová žluť GR/GRF
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    3,3'-[(2,5-dimethyl-p-phenylene)bis[imino(1-acetyl-2-oxoethylene)azo]]bis[4-chloro-N-(5-chloro-o-tolyl)benzamide]
    EC Number:
    226-107-4
    EC Name:
    3,3'-[(2,5-dimethyl-p-phenylene)bis[imino(1-acetyl-2-oxoethylene)azo]]bis[4-chloro-N-(5-chloro-o-tolyl)benzamide]
    CAS Number:
    5280-80-8
    Molecular formula:
    C44H38Cl4N8O6
    IUPAC Name:
    3,3'-{(2,5-dimethyl-1,4-phenylene)bis[imino(1,3-dioxobutane-2,1-diyl)diazene-2,1-diyl]}bis[4-chloro-N-(5-chloro-2-methylphenyl)benzamide]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Pigment Yellow 95 nanoform

    Shape

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

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    > 1 - < 50 nm
    Percentile:
    D50
    Range:
    > 20 - < 60 nm
    Percentile:
    D90
    Range:
    > 50 - < 100 nm
    Fraction of constituent particles in the size range 1-100 nm:
    > 70 - < 100 %
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    > 1 - < 60 nm
    Percentile:
    D50
    Range:
    > 10 - < 100 nm
    Percentile:
    D90
    Range:
    > 50 - < 150 nm
    Range of length:
    > 50 - < 500 nm
    Range of aspect ratio (:1):
    >= 3 - <= 8
    Fraction of constituent particles in the size range 1-100 nm:
    > 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    Pigment Yellow 95
    Pure structure:
    yes

    Specific surface area

    Range of specific surface area:
    >= 15 - <= 200 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:
    3,3'-[(2,5-dimethyl-p-phenylene)bis[imino(1-acetyl-2-oxoethylene)azo]]bis[4-chloro-N-(5-chloro-o-tolyl)benzamide]
    EC Number:
    226-107-4
    EC Name:
    3,3'-[(2,5-dimethyl-p-phenylene)bis[imino(1-acetyl-2-oxoethylene)azo]]bis[4-chloro-N-(5-chloro-o-tolyl)benzamide]
    CAS Number:
    5280-80-8
    Molecular formula:
    C44H38Cl4N8O6
    IUPAC Name:
    3,3'-{(2,5-dimethyl-1,4-phenylene)bis[imino(1,3-dioxobutane-2,1-diyl)diazene-2,1-diyl]}bis[4-chloro-N-(5-chloro-2-methylphenyl)benzamide]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Pigment Yellow 95 nanoform

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    yes
    Range:
    > 1 - < 100 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D50
    Typical value:
    ca. 40.2 nm
    Range:
    > 30 - < 50 nm
    Percentile:
    D10
    Typical value:
    ca. 22.1 mm
    Range:
    > 1 - < 50 nm
    Percentile:
    D90
    Typical value:
    ca. 72.1 nm
    Range:
    > 50 - < 100 nm
    Additional information:
    Analysis performed on 549 particles
    Fraction of constituent particles in the size range 1-100 nm:
    > 90 - < 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    Pigment Yellow 95
    Pure structure:
    yes
    Description:
    Powder X-Ray diffraction measurements of very fine crystals cannot be used to properly define the crystal system and Bravais lattice due to signal broadening. (Herbst, Hunger, Industrial Organic Pigments VCH, 1993, p.44)

    Specific surface area

    Typical specific surface area:
    56.9 m²/g
    Range of specific surface area:
    > 30 - < 70 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    3,3'-[(2,5-dimethyl-p-phenylene)bis[imino(1-acetyl-2-oxoethylene)azo]]bis[4-chloro-N-(5-chloro-o-tolyl)benzamide]
    EC Number:
    226-107-4
    EC Name:
    3,3'-[(2,5-dimethyl-p-phenylene)bis[imino(1-acetyl-2-oxoethylene)azo]]bis[4-chloro-N-(5-chloro-o-tolyl)benzamide]
    CAS Number:
    5280-80-8
    Molecular formula:
    C44H38Cl4N8O6
    IUPAC Name:
    3,3'-{(2,5-dimethyl-1,4-phenylene)bis[imino(1,3-dioxobutane-2,1-diyl)diazene-2,1-diyl]}bis[4-chloro-N-(5-chloro-2-methylphenyl)benzamide]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Pigment Yellow 95 nanoform

    Shape

    Shape description
    Shape category:
    elongated
    Shape:
    rod
    Pure shape:
    yes
    Typical composition:
    >= 90 %
    Range:
    >= 90 - <= 100 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D90
    Typical value:
    ca. 34.88 nm
    Range:
    >= 30 - <= 40 nm
    Percentile:
    D50
    Typical value:
    ca. 24.43 nm
    Range:
    >= 20 - <= 30 nm
    Percentile:
    D10
    Typical value:
    ca. 17.21 nm
    Range:
    >= 15 - <= 20 nm
    Typical length:
    >= 100 nm
    Range of length:
    >= 100 - <= 2 000 nm
    Typical aspect ratio (:1):
    >= 3 :1
    Range of aspect ratio (:1):
    >= 3 - <= 10
    Fraction of constituent particles in the size range 1-100 nm:
    >= 90 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    Pigment Yellow 95
    Pure structure:
    yes
    Typical composition:
    ca. 100 %
    Range:
    >= 90 - <= 100 %

    Specific surface area

    Typical specific surface area:
    ca. 43.521 m²/g
    Range of specific surface area:
    >= 40 - <= 50 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    3,3'-[(2,5-dimethyl-p-phenylene)bis[imino(1-acetyl-2-oxoethylene)azo]]bis[4-chloro-N-(5-chloro-o-tolyl)benzamide]
    EC Number:
    226-107-4
    EC Name:
    3,3'-[(2,5-dimethyl-p-phenylene)bis[imino(1-acetyl-2-oxoethylene)azo]]bis[4-chloro-N-(5-chloro-o-tolyl)benzamide]
    CAS Number:
    5280-80-8
    Molecular formula:
    C44H38Cl4N8O6
    IUPAC Name:
    3,3'-{(2,5-dimethyl-1,4-phenylene)bis[imino(1,3-dioxobutane-2,1-diyl)diazene-2,1-diyl]}bis[4-chloro-N-(5-chloro-2-methylphenyl)benzamide]

    Characterisation of nanoforms

    Type of information reported:
    single nanoform

    Shape

    Shape descriptionopen allclose all
    Shape category:
    elongated
    Shape:
    other: needles
    Pure shape:
    no
    Typical composition:
    84 %
    Range:
    > 81 - < 87 %
    Shape category:
    platelet
    Shape:
    plate
    Pure shape:
    no
    Typical composition:
    16 %
    Range:
    > 13 - < 19 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    52 nm
    Range:
    > 49 - < 55 nm
    Percentile:
    D50
    Typical value:
    74 nm
    Range:
    > 70 - < 78 nm
    Percentile:
    D90
    Typical value:
    102 nm
    Range:
    > 97 - < 106 nm
    Typical length:
    407.6 nm
    Range of length:
    > 147.8 - < 1 072.3 nm
    Typical lateral dimension 1:
    75 nm
    Range of lateral dimension 1:
    > 38.5 - <= 106.5 nm
    Typical aspect ratio (:1):
    5.38 :1
    Range of aspect ratio (:1):
    >= 3.65 - <= 7.11
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - <= 87 %
    Shape category:
    platelet
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    44 nm
    Range:
    > 41 - < 47 nm
    Percentile:
    D50
    Typical value:
    58 nm
    Range:
    > 55 - < 61 nm
    Percentile:
    D90
    Typical value:
    92 nm
    Range:
    > 88 - < 96 nm
    Typical lateral dimension 1:
    165 nm
    Range of lateral dimension 1:
    > 60.4 - < 413.7 nm
    Typical lateral dimension 2:
    65.14 nm
    Range of lateral dimension 2:
    >= 50.4 - < 158.6 nm
    Typical aspect ratio (:1):
    2.51 :1
    Range of aspect ratio (:1):
    >= 2.08 - <= 2.94
    Fraction of constituent particles in the size range 1-100 nm:
    > 89 - <= 92 %

    Crystallinity

    Structures
    Structure:
    partially-crystalline
    Pure structure:
    no
    Range:
    > 84 - < 90 %
    Crystal system:
    not applicable

    Specific surface area

    Typical specific surface area:
    < 65 m²/g
    Range of specific surface area:
    > 59.2 - < 65.4 m²/g
    Typical volume specific surface area:
    < 97.7 m²/cm³
    Range of volume specific surface area:
    >= 82 - < 97.8 m²/cm³
    Skeletal density:
    > 1.385 - <= 1.495 g/cm³

    Surface functionalisation / treatment

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


    Constituent 1
    Chemical structure
    Reference substance name:
    3,3'-[(2,5-dimethyl-p-phenylene)bis[imino(1-acetyl-2-oxoethylene)azo]]bis[4-chloro-N-(5-chloro-o-tolyl)benzamide]
    EC Number:
    226-107-4
    EC Name:
    3,3'-[(2,5-dimethyl-p-phenylene)bis[imino(1-acetyl-2-oxoethylene)azo]]bis[4-chloro-N-(5-chloro-o-tolyl)benzamide]
    CAS Number:
    5280-80-8
    Molecular formula:
    C44H38Cl4N8O6
    IUPAC Name:
    3,3'-{(2,5-dimethyl-1,4-phenylene)bis[imino(1,3-dioxobutane-2,1-diyl)diazene-2,1-diyl]}bis[4-chloro-N-(5-chloro-2-methylphenyl)benzamide]

    Composition(s) generated upon use

    Other types of composition(s)