Pigment Orange 13 is an organic pigment primarily used in printing inks. It is a disazo compound containing pyrazolone rings and chlorine substituents, contributing to its color properties.
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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Pigment Orange 34
Organic pigment for plastics
Methanaminium, N-[4-[(2-chlorophenyl)[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, chloride (1:1)
Cationic dye for textiles
D&C Red 33
Red azo dye for cosmetics
5-Sulfoanthranilic acid
synthesis of azo dyes
3-(5-chlorobenzoxazol-2-yl)-7-diethylaminocoumarin
Fluorescent solvent dye
Acid Yellow 42
Acid dye for textile coloring
The international HS code for 4,4'-((3,3'-Dichloro(1,1'-biphenyl)-4,4'-diyl)bis(diazene-2,1-diyl))bis(5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one) (CAS 3520-72-7) is 3204.17.
3204.17
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.
4-[[2-chloro-4-[3-chloro-4-[(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)diazenyl]phenyl]phenyl]diazenyl]-5-methyl-2-phenyl-4H-pyrazol-3-one
HKYYDLYCGBDWSB-UHFFFAOYSA-N
CC1=NN(C(=O)C1N=NC2=C(C=C(C=C2)C3=CC(=C(C=C3)N=NC4C(=NN(C4=O)C5=CC=CC=C5)C)Cl)Cl)C6=CC=CC=C6
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