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Identification

Chemical structure
Display Name:
2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
EC Number:
228-768-4
EC Name:
2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
CAS Number:
6358-31-2
Molecular formula:
C18H18N4O6
IUPAC Name:
2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 6358-31-2
  • C.I. Pigment Yellow 74
  • Butanamide, 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3- oxo- (9CI)
  • C. I. Pigment Yellow 74
  • C.I. 11741
  • C.I. Pigment Yellow 74
  • C.I. Pigment Yellow 74 (8CI)
  • Irgalite Yellow L 1252 HD
  • Irgalite Yellow L 1254 HD
  • PY. 74
  • Pigment Yellow 74
  • SEIKAFAST YELLOW 2054
  • SYMULER Fast Yellow
  • Sico Yellow 1252
  • Sico Yellow FR 1252
  • Sico Yellow L 1252
  • Sudafast Yellow 125
  • Versal Yellow 2GXD
  • Versal Yellow 5GXW
  • Versalová žluť 2GXD/2GXS/5GXS/5GXW/5GX-FG
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
    EC Number:
    228-768-4
    EC Name:
    2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
    CAS Number:
    6358-31-2
    Molecular formula:
    C18H18N4O6
    IUPAC Name:
    2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Yellow 74-joint submission

    Shape

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

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D90
    Range:
    > 0.04 - < 0.2 μm
    Percentile:
    D50
    Range:
    > 0.02 - < 0.1 μm
    Percentile:
    D10
    Range:
    > 0.01 - < 0.065 μm
    Range of length:
    >= 0.07 - <= 0.8 μm
    Range of aspect ratio (:1):
    >= 3 - <= 8
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - ca. 100 %
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D90
    Range:
    > 0.04 - < 0.2 μm
    Percentile:
    D50
    Range:
    > 0.02 - < 0.1 μm
    Percentile:
    D10
    Range:
    > 0.01 - < 0.065 μm
    Additional information:
    The determined particle size distribution relates to both shape categories. The smallest dimension of all particles had been considered.

    ASSEMBLY STRUCTURE: homogeneous and solid particles.

    RIGIDITY: not required/appropriate.
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - ca. 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Yellow 74
    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:
    2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
    EC Number:
    228-768-4
    EC Name:
    2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
    CAS Number:
    6358-31-2
    Molecular formula:
    C18H18N4O6
    IUPAC Name:
    2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Yellow 74-joint submission

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Shape:
    polyhedral
    Pure shape:
    no
    Range:
    >= 0 - <= 100 %
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    no
    Range:
    >= 0 - <= 100 %
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    no
    Range:
    >= 0 - <= 100 %
    Shape category:
    elongated
    Shape:
    rod
    Pure shape:
    no
    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 - < 0.065 μm
    Percentile:
    D50
    Range:
    > 0.02 - < 0.1 μm
    Percentile:
    D90
    Range:
    > 0.04 - < 0.2 μm
    Additional information:
    The particle size distribution relates to all shape categories
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - ca. 100 %
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    > 0.01 - < 0.065 μm
    Percentile:
    D50
    Range:
    > 0.02 - < 0.1 μm
    Percentile:
    D90
    Range:
    > 0.04 - < 0.2 μm
    Range of length:
    >= 0.07 - <= 0.8 μm
    Range of aspect ratio (:1):
    >= 3 - <= 8
    Additional information:
    The particle size distribution relates to all shape categories
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - ca. 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Yellow 74
    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:
    2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
    EC Number:
    228-768-4
    EC Name:
    2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
    CAS Number:
    6358-31-2
    Molecular formula:
    C18H18N4O6
    IUPAC Name:
    2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Yellow 74-joint submission

    Shape

    Shape descriptionopen allclose all
    Shape category:
    elongated
    Remarks:
    multimodal shapes containing abot 99% spheroidal particles and about 1% elongated particles
    Shape:
    rod
    Pure shape:
    no
    Typical composition:
    ca. 1 %
    Range:
    > 0 - < 10 %
    Shape category:
    spheroidal
    Remarks:
    multimodal shapes containing about 99% spheroidal particles and about 1% elongated particles
    Shape:
    spherical
    Pure shape:
    no
    Typical composition:
    ca. 25 %
    Range:
    > 5 - < 60 %
    Shape category:
    spheroidal
    Remarks:
    multimodal shapes containing about 99% spheroidal particles and about 1% elongated particles
    Shape:
    cubic
    Pure shape:
    no
    Typical composition:
    ca. 74 %
    Range:
    > 40 - < 95 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D90
    Typical value:
    ca. 0.1 μm
    Range:
    > 0.075 - < 0.125 μm
    Percentile:
    D50
    Typical value:
    ca. 0.065 μm
    Range:
    > 0.04 - < 0.09 μm
    Percentile:
    D10
    Typical value:
    ca. 0.044 μm
    Range:
    > 0.02 - < 0.065 μm
    Range of length:
    > 0.175 - < 0.675 μm
    Typical aspect ratio (:1):
    ca. 3.8 :1
    Range of aspect ratio (:1):
    >= 3.1 - <= 4.6
    Additional information:
    The determined particle size distribution relates to both shape categories. The smallest dimension of all particles had been considered.

    ASSEMBLY STRUCTURE: homogeneous and solid particles.

    RIGIDITY: not required/appropriate.
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - ca. 100 %
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D90
    Typical value:
    ca. 0.1 μm
    Range:
    > 0.075 - < 0.125 μm
    Percentile:
    D50
    Typical value:
    ca. 0.065 μm
    Range:
    > 0.04 - < 0.09 μm
    Percentile:
    D10
    Typical value:
    ca. 0.044 μm
    Range:
    > 0.02 - < 0.065 μm
    Additional information:
    The determined particle size distribution relates to both shape categories. The smallest dimension of all particles had been considered.

    ASSEMBLY STRUCTURE: homogeneous and solid particles.

    RIGIDITY: not required/appropriate.
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - ca. 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Yellow 74
    Pure structure:
    yes
    Crystal system:
    triclinic
    Bravais lattice:
    primitive triclinic

    Specific surface area

    Typical specific surface area:
    ca. 14 m²/g
    Range of specific surface area:
    >= 10 - <= 18 m²/g
    Skeletal density:
    1.442 g/cm³

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
    EC Number:
    228-768-4
    EC Name:
    2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
    CAS Number:
    6358-31-2
    Molecular formula:
    C18H18N4O6
    IUPAC Name:
    2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Yellow 74_nanoform

    Shape

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

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 32 nm
    Range:
    >= 23 - <= 41 nm
    Percentile:
    D50
    Typical value:
    ca. 45 nm
    Range:
    >= 31 - <= 65 nm
    Percentile:
    D90
    Typical value:
    ca. 64 nm
    Range:
    >= 43 - <= 96 nm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C. I. Pigment Yellow 74
    Pure structure:
    yes
    Typical composition:
    ca. 90 %
    Range:
    >= 80 - <= 100 %
    Crystal system:
    not applicable

    Specific surface area

    Typical specific surface area:
    ca. 39 m²/g
    Range of specific surface area:
    >= 20 - <= 90 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
    EC Number:
    228-768-4
    EC Name:
    2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
    CAS Number:
    6358-31-2
    Molecular formula:
    C18H18N4O6
    IUPAC Name:
    2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Pigment Yellow 74_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. 54.9 nm
    Range:
    > 1 - < 70 nm
    Percentile:
    D50
    Typical value:
    ca. 99 nm
    Range:
    > 10 - < 120 nm
    Percentile:
    D90
    Typical value:
    ca. 1 848 nm
    Range:
    > 120 - < 300 nm
    Fraction of constituent particles in the size range 1-100 nm:
    > 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    Pigment Yellow 74
    Pure structure:
    yes

    Specific surface area

    Typical specific surface area:
    ca. 20 m²/g
    Range of specific surface area:
    > 5 - <= 100 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
    EC Number:
    228-768-4
    EC Name:
    2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
    CAS Number:
    6358-31-2
    Molecular formula:
    C18H18N4O6
    IUPAC Name:
    2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Yellow 74-joint submission

    Shape

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

    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:
    > 10 - < 65 μm
    Percentile:
    D50
    Typical value:
    ca. 0.045 μm
    Range:
    > 0.02 - < 0.1 μm
    Percentile:
    D90
    Typical value:
    ca. 0.095 μm
    Range:
    > 0.04 - < 0.2 μm
    Additional information:
    The particle size distribution relates to all shape categories
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - ca. 100 %
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 0.03 μm
    Range:
    >= 0.01 - <= 0.065 μm
    Percentile:
    D50
    Typical value:
    ca. 0.04 μm
    Range:
    >= 0.02 - <= 0.1 μm
    Percentile:
    D90
    Typical value:
    ca. 0.07 μm
    Range:
    >= 0.04 - <= 0.2 μm
    Range of length:
    >= 0.07 - <= 0.8 μm
    Range of aspect ratio (:1):
    >= 3 - <= 8
    Additional information:
    The particle size distribution relates to all shape categories
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - ca. 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Yellow 74
    Pure structure:
    yes

    Specific surface area

    Typical specific surface area:
    ca. 20 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