CI Pigment Red 146 is a synthetic organic pigment used primarily for coloring plastics and printing inks. It is characterized by its azo chemical structure, which includes aromatic rings, amide groups, and a chlorine atom, contributing to its color properties and stability.
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 Red 32
Pigment Red 32
D&C Red 7
red pigment for cosmetics and plastics
2-(3-hydroxypropyl)-6-((3-hydroxypropyl)amino)-1H- benz(de)isoquinoline-1,3(2H)-dione
Fluorescent solvent dye
2-nitro-p-phenylenediamine
hair dye intermediate
N,N'-diphenylbenzidine
dye intermediate
The international HS code for N-(4-Chloro-2,5-dimethoxyphenyl)-3-hydroxy-4-((2-methoxy-5-((phenylamino)carbonyl)phenyl)azo)naphthalene-2-carboxamide (CAS 5280-68-2) 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.
N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-4-[[2-methoxy-5-(phenylcarbamoyl)phenyl]diazenyl]naphthalene-2-carboxamide
HEKSHDRHZRCZBN-UHFFFAOYSA-N
COC1=C(C=C(C=C1)C(=O)NC2=CC=CC=C2)N=NC3=C(C(=CC4=CC=CC=C43)C(=O)NC5=CC(=C(C=C5OC)Cl)OC)O
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