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Identification

Chemical structure
Display Name:
5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
EC Number:
253-256-2
EC Name:
5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
CAS Number:
36888-99-0
Molecular formula:
C16H9N5O6
IUPAC Name:
5,5'-(1H-isoindole-1,3(2H)-diylidene)dipyrimidine-2,4,6(1H,3H,5H)-trione

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5,5'-(1H-isoindole-1,3(2H)- diylidene)bis- (9CI)
  • C.I. 56298
  • C.I. Pigment Yellow 139
  • HF4R
  • Isoindoline yellow
  • Paliotol Yellow ...
  • Pigment Yellow 139
  • Sudaperm Yellow 2935
  • Versal Yellow 4RDP
  • Versal Yellow 5RD
  • Versal Yellow 5RDP
  • Versal Yellow 6RD
  • Versalová žluť 4RDP
  • Versalová žluť 5RD
  • Versalová žluť 5RDP
  • Versalová žluť 6RD
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    EC Number:
    253-256-2
    EC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    CAS Number:
    36888-99-0
    Molecular formula:
    C16H9N5O6
    IUPAC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dipyrimidine-2,4,6(1H,3H,5H)-trione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Nano_ 5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    yes
    Typical composition:
    ca. 100 %
    Range:
    > 80 - <= 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 - <= 100 nm
    Percentile:
    D50
    Typical value:
    ca. 45 nm
    Range:
    > 20 - <= 100 nm
    Percentile:
    D90
    Typical value:
    ca. 85 nm
    Range:
    > 30 - <= 100 nm
    Fraction of constituent particles in the size range 1-100 nm:
    > 80 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Yellow 139
    Pure structure:
    yes

    Specific surface area

    Typical specific surface area:
    ca. 20 m²/g
    Range of specific surface area:
    > 10 - < 500 m²/g

    Surface functionalisation / treatment

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


    Constituent 1
    Chemical structure
    Reference substance name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    EC Number:
    253-256-2
    EC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    CAS Number:
    36888-99-0
    Molecular formula:
    C16H9N5O6
    IUPAC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dipyrimidine-2,4,6(1H,3H,5H)-trione

    Legal Entity Composition(s) open all close all

    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    EC Number:
    253-256-2
    EC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    CAS Number:
    36888-99-0
    Molecular formula:
    C16H9N5O6
    IUPAC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dipyrimidine-2,4,6(1H,3H,5H)-trione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Nano_ 5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    yes
    Typical composition:
    ca. 100 %
    Range:
    >= 99 - <= 100 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 24.6 nm
    Range:
    > 15 - < 50 nm
    Percentile:
    D50
    Typical value:
    ca. 55.8 nm
    Range:
    > 10 - < 100 nm
    Percentile:
    D90
    Typical value:
    ca. 195.2 nm
    Range:
    > 90 - < 250 nm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 95 - < 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I Pigment Yellow 139
    Pure structure:
    yes
    Typical composition:
    100 %
    Range:
    > 98 - <= 100 %

    Specific surface area

    Typical specific surface area:
    18.4 m²/g
    Range of specific surface area:
    > 15 - <= 40 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    EC Number:
    253-256-2
    EC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    CAS Number:
    36888-99-0
    Molecular formula:
    C16H9N5O6
    IUPAC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dipyrimidine-2,4,6(1H,3H,5H)-trione
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    EC Number:
    253-256-2
    EC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    CAS Number:
    36888-99-0
    Molecular formula:
    C16H9N5O6
    IUPAC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dipyrimidine-2,4,6(1H,3H,5H)-trione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Yellow 139 - joint submission

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    no
    Range:
    > 50 - < 90 %
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    no
    Range:
    > 0 - < 50 %
    Shape category:
    elongated
    Shape:
    rod
    Pure shape:
    yes
    Range:
    > 0 - < 40 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    > 0.005 - <= 0.04 μm
    Percentile:
    D50
    Range:
    > 0.01 - <= 0.06 μm
    Percentile:
    D90
    Range:
    > 0.02 - <= 0.08 μm
    Fraction of constituent particles in the size range 1-100 nm:
    > 80 - <= 100 %
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    > 0.005 - <= 0.04 μm
    Percentile:
    D50
    Range:
    > 0.01 - <= 0.06 μm
    Percentile:
    D90
    Range:
    > 0.02 - <= 0.08 μm
    Range of length:
    >= 0.05 - <= 0.15 μm
    Range of aspect ratio (:1):
    >= 3 - <= 4.5
    Fraction of constituent particles in the size range 1-100 nm:
    > 80 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Yellow 139
    Pure structure:
    yes

    Specific surface area

    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:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    EC Number:
    253-256-2
    EC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    CAS Number:
    36888-99-0
    Molecular formula:
    C16H9N5O6
    IUPAC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dipyrimidine-2,4,6(1H,3H,5H)-trione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    This nanoform is covered by a registration:
    yes
    Name of nanoform:
    C.I. Pigment yellow 139

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Remarks:
    Multimodal shapes
    Shape:
    polyhedral
    Pure shape:
    no
    Range:
    > 1 - < 100 %
    Shape category:
    spheroidal
    Remarks:
    Multimodal shapes
    Shape:
    orthorhombic
    Pure shape:
    no
    Range:
    > 1 - < 100 %
    Shape category:
    elongated
    Remarks:
    Needle-like particles
    Shape:
    rod
    Pure shape:
    yes
    Range:
    > 1 - < 100 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    spheroidal
    Remarks:
    Multimodal shapes
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    0.016 μm
    Range:
    > 0.009 - < 0.02 μm
    Percentile:
    D50
    Typical value:
    0.028 μm
    Range:
    > 0.02 - < 0.04 μm
    Percentile:
    D90
    Typical value:
    0.047 μm
    Range:
    > 0.04 - < 0.06 μm
    Fraction of constituent particles in the size range 1-100 nm:
    > 1 - < 100 %
    Shape category:
    elongated
    Remarks:
    Needle-like particles
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    0.018 μm
    Range:
    > 0.005 - < 0.02 μm
    Percentile:
    D50
    Typical value:
    0.03 μm
    Range:
    > 0.02 - < 0.04 μm
    Percentile:
    D90
    Typical value:
    0.047 μm
    Range:
    > 0.04 - < 0.06 μm
    Range of length:
    > 0.054 - < 0.214 μm
    Range of aspect ratio (:1):
    >= 3 - <= 4.8
    Fraction of constituent particles in the size range 1-100 nm:
    > 1 - < 100 %

    Crystallinity

    Structures
    Structure:
    amorphous
    Pure structure:
    no
    Range:
    > 5 - < 9 %

    Specific surface area

    Typical specific surface area:
    55.028 m²/g
    Range of specific surface area:
    > 50 - < 60 m²/g
    Typical volume specific surface area:
    340.73 m²/cm³

    Surface functionalisation / treatment

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


    Constituent 1
    Chemical structure
    Reference substance name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    EC Number:
    253-256-2
    EC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    CAS Number:
    36888-99-0
    Molecular formula:
    C16H9N5O6
    IUPAC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dipyrimidine-2,4,6(1H,3H,5H)-trione
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    EC Number:
    253-256-2
    EC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    CAS Number:
    36888-99-0
    Molecular formula:
    C16H9N5O6
    IUPAC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dipyrimidine-2,4,6(1H,3H,5H)-trione
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    EC Number:
    253-256-2
    EC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    CAS Number:
    36888-99-0
    Molecular formula:
    C16H9N5O6
    IUPAC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dipyrimidine-2,4,6(1H,3H,5H)-trione
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    EC Number:
    253-256-2
    EC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    CAS Number:
    36888-99-0
    Molecular formula:
    C16H9N5O6
    IUPAC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dipyrimidine-2,4,6(1H,3H,5H)-trione


    Constituent 1
    Chemical structure
    Reference substance name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    EC Number:
    253-256-2
    EC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    CAS Number:
    36888-99-0
    Molecular formula:
    C16H9N5O6
    IUPAC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dipyrimidine-2,4,6(1H,3H,5H)-trione
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    EC Number:
    253-256-2
    EC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    CAS Number:
    36888-99-0
    Molecular formula:
    C16H9N5O6
    IUPAC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dipyrimidine-2,4,6(1H,3H,5H)-trione
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    EC Number:
    253-256-2
    EC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dibarbituric acid
    CAS Number:
    36888-99-0
    Molecular formula:
    C16H9N5O6
    IUPAC Name:
    5,5'-(1H-isoindole-1,3(2H)-diylidene)dipyrimidine-2,4,6(1H,3H,5H)-trione

    Composition(s) generated upon use

    Other types of composition(s)