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CAS 3520-72-7

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Pigment Orange 13

Description:
Pigment Orange 13, with the CAS number 3520-72-7, is an organic pigment primarily used in various applications such as coatings, plastics, and inks due to its vibrant orange hue and excellent lightfastness. It is classified as a monoazo pigment, which means it is derived from the reaction of an amine with a diazo compound, resulting in a stable, colored compound. This pigment exhibits good thermal stability and resistance to solvents, making it suitable for outdoor applications where durability is essential. Additionally, Pigment Orange 13 is known for its high tinting strength, allowing it to impart strong color even in small quantities. It is generally considered safe for use in various consumer products, although, like many pigments, it should be handled with care to avoid inhalation or skin contact. Its applications extend beyond industrial uses, as it can also be found in artistic materials and certain cosmetic formulations, although regulatory guidelines may apply. Overall, Pigment Orange 13 is valued for its performance characteristics and versatility in color applications.
Formula:C32H24Cl2N8O2
InChI:InChI=1S/C32H24Cl2N8O2/c1-19-29(31(43)41(39-19)23-9-5-3-6-10-23)37-35-27-15-13-21(17-25(27)33)22-14-16-28(26(34)18-22)36-38-30-20(2)40-42(32(30)44)24-11-7-4-8-12-24/h3-18,29-30H,1-2H3
InChI key:InChIKey=HKYYDLYCGBDWSB-UHFFFAOYSA-N
SMILES:O=C1N(N=C(C)C1N=NC2=C(Cl)C=C(C=C2)C3=CC(Cl)=C(N=NC4C(=O)N(N=C4C)C5=CC=CC=C5)C=C3)C6=CC=CC=C6
Synonyms:
  • (4E,4'E)-4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)di(1E)hydrazin-2-yl-1-ylidene]bis(5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one)
  • 3H-Pyrazol-3-one, 4,4′-[(3,3′-dichloro[1,1′-biphenyl]-4,4′-diyl)bis(2,1-diazenediyl)]bis[2,4-dihydro-5-methyl-2-phenyl-
  • 3H-Pyrazol-3-one, 4,4′-[(3,3′-dichloro[1,1′-biphenyl]-4,4′-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-phenyl-
  • 4,4'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one]
  • 4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)di(E)diazene-2,1-diyl]bis(5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one)
  • 4,4′-[(3,3′-Dichloro[1,1′-biphenyl]-4,4′-diyl)bis(2,1-diazenediyl)]bis[2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one]
  • 4-Dihydro-5-Methyl-2-Phenyl-
  • Atul Vulcan Fast Pigment Orange G
  • Atulvulcanfastpigmentorangeg
  • Benzidine Orange 45-2850
  • See more synonyms
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Purity (%)
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100
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50
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90
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95
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100
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