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Identification

Chemical structure
Display Name:
2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide
EC Number:
219-730-8
EC Name:
2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide
CAS Number:
2512-29-0
Molecular formula:
C17H16N4O4
IUPAC Name:
2-[(4-methyl-2-nitrophenyl)diazenyl]-3-oxo-N-phenylbutanamide

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 2512-29-0
  • SEIKAFAST YELLOW 2070
  • Sudacolor Yellow G
  • Versalová žluť G
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide
    EC Number:
    219-730-8
    EC Name:
    2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide
    CAS Number:
    2512-29-0
    Molecular formula:
    C17H16N4O4
    IUPAC Name:
    2-[(4-methyl-2-nitrophenyl)diazenyl]-3-oxo-N-phenylbutanamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Yellow 1-joint submission

    Shape

    Shape descriptionopen allclose all
    Shape category:
    elongated
    Shape:
    rod
    Pure shape:
    no
    Range:
    > 5 - < 60 %
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    no
    Range:
    > 0 - < 20 %
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    no
    Range:
    > 50 - < 70 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D90
    Range:
    > 0.07 - < 0.155 μm
    Percentile:
    D50
    Range:
    > 0.03 - < 0.1 μm
    Percentile:
    D10
    Range:
    > 0.01 - < 0.09 μm
    Range of length:
    > 0.075 - < 0.585 μm
    Range of aspect ratio (:1):
    >= 2.8 - <= 5
    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 - < 100 %
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D90
    Range:
    > 0.07 - < 0.155 μm
    Percentile:
    D50
    Range:
    > 0.03 - < 0.1 μm
    Percentile:
    D10
    Range:
    > 0.01 - < 0.09 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 - < 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Yellow 1
    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: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide
    EC Number:
    219-730-8
    EC Name:
    2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide
    CAS Number:
    2512-29-0
    Molecular formula:
    C17H16N4O4
    IUPAC Name:
    2-[(4-methyl-2-nitrophenyl)diazenyl]-3-oxo-N-phenylbutanamide

    Legal Entity Composition(s) open all close all

    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide
    EC Number:
    219-730-8
    EC Name:
    2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide
    CAS Number:
    2512-29-0
    Molecular formula:
    C17H16N4O4
    IUPAC Name:
    2-[(4-methyl-2-nitrophenyl)diazenyl]-3-oxo-N-phenylbutanamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Yellow 1-joint submission

    Shape

    Shape descriptionopen allclose all
    Shape category:
    elongated
    Remarks:
    multimodal shapes containing about 71% spheroidal particles and about 29% elongated particles
    Shape:
    rod
    Pure shape:
    no
    Typical composition:
    ca. 29 %
    Range:
    > 5 - < 60 %
    Shape category:
    spheroidal
    Remarks:
    multimodal shapes containing about 71% spheroidal particles and about 29% elongated particles
    Shape:
    spherical
    Pure shape:
    no
    Typical composition:
    ca. 3.5 %
    Range:
    > 0 - < 20 %
    Shape category:
    spheroidal
    Remarks:
    multimodal shapes containing about 71% spheroidal particles and about 29% elongated particles
    Shape:
    cubic
    Pure shape:
    no
    Typical composition:
    ca. 67.5 %
    Range:
    > 55 - < 70 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    elongated
    Remarks:
    multimodal shapes containing about 71% spheroidal particles and about 29% elongated particles
    Percentileopen allclose all
    Percentile:
    D90
    Typical value:
    ca. 0.115 μm
    Range:
    > 0.085 - < 0.145 μm
    Percentile:
    D50
    Typical value:
    ca. 0.07 μm
    Range:
    > 0.04 - < 0.1 μm
    Percentile:
    D10
    Typical value:
    ca. 0.045
    Range:
    > 0.025 - < 0.075 μm
    Typical length:
    ca. 0.33 μm
    Range of length:
    > 0.265 - < 0.385 μm
    Typical aspect ratio (:1):
    ca. 3.9 :1
    Range of aspect ratio (:1):
    >= 3.7 - <= 4.1
    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 %
    Shape category:
    spheroidal
    Remarks:
    multimodal shapes containing about 71% spheroidal particles and about 29% elongated particles
    Percentileopen allclose all
    Percentile:
    D90
    Typical value:
    ca. 0.115
    Range:
    > 0.085 - 0.145 μm
    Percentile:
    D50
    Typical value:
    ca. 0.07
    Range:
    > 0.04 - < 0.1 μm
    Percentile:
    D10
    Typical value:
    ca. 0.045
    Range:
    > 0.025 - < 0.075 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 1
    Pure structure:
    yes
    Crystal system:
    monoclinic
    Bravais lattice:
    primitive moniclinic

    Specific surface area

    Typical specific surface area:
    ca. 20 m²/g
    Range of specific surface area:
    >= 14 - <= 26 m²/g
    Skeletal density:
    1.387 g/cm³

    Surface functionalisation / treatment

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


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide
    EC Number:
    219-730-8
    EC Name:
    2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide
    CAS Number:
    2512-29-0
    Molecular formula:
    C17H16N4O4
    IUPAC Name:
    2-[(4-methyl-2-nitrophenyl)diazenyl]-3-oxo-N-phenylbutanamide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide
    EC Number:
    219-730-8
    EC Name:
    2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide
    CAS Number:
    2512-29-0
    Molecular formula:
    C17H16N4O4
    IUPAC Name:
    2-[(4-methyl-2-nitrophenyl)diazenyl]-3-oxo-N-phenylbutanamide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide
    EC Number:
    219-730-8
    EC Name:
    2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide
    CAS Number:
    2512-29-0
    Molecular formula:
    C17H16N4O4
    IUPAC Name:
    2-[(4-methyl-2-nitrophenyl)diazenyl]-3-oxo-N-phenylbutanamide
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide
    EC Number:
    219-730-8
    EC Name:
    2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide
    CAS Number:
    2512-29-0
    Molecular formula:
    C17H16N4O4
    IUPAC Name:
    2-[(4-methyl-2-nitrophenyl)diazenyl]-3-oxo-N-phenylbutanamide
    State Form:
    solid: particulate/powder