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Home/Compounds/Dye & Pigment/Pigment Orange 34
C34H28Cl2N8O2
651.5 g/mol
Dye & Pigment

4,4'-((3,3'-Dichloro(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one)

CAS15793-73-4EC239-898-6
Category
Dye & Pigment
Compound Class
Heterocycle
Primary Use
Organic pigment for plastics

Pigment Orange 34 is an organic pigment primarily used for coloring plastics. It has a complex molecular structure containing multiple aromatic rings and amide groups, which contribute to its properties as a colorant.

Coloring plastic materials at typical concentrations around 2%Used in tattoo ink and permanent makeup with a regulatory concentration limit of 0.1% by weight

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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SimilarStructure SimilarSimilarity 0.85

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Customs Tariff Classification

The international HS code for 4,4'-((3,3'-Dichloro(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one) (CAS 15793-73-4) is 3204.17.

HS code (international, 6-digit)

3204.17

EU CN code (8-digit)

3204 17 00

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

4-[[2-chloro-4-[3-chloro-4-[[3-methyl-1-(4-methylphenyl)-5-oxo-4H-pyrazol-4-yl]diazenyl]phenyl]phenyl]diazenyl]-5-methyl-2-(4-methylphenyl)-4H-pyrazol-3-one

InChIKey

UIBAAMBCJDNDSQ-UHFFFAOYSA-N

SMILES

CC1=CC=C(C=C1)N2C(=O)C(C(=N2)C)N=NC3=C(C=C(C=C3)C4=CC(=C(C=C4)N=NC5C(=NN(C5=O)C6=CC=C(C=C6)C)C)Cl)Cl

Synonyms (11)
  • Benzidine Orange T
  • Irgalite orange F2G
  • Roma Orange B 112700
  • Vynamon Orange RE-FW

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