C. I.
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.
Sourcing C.I. Basic Orange 2?
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Bismark brown Y
histological dye and stain
4-Amino-N,N-dimethylaniline dihydrochloride
photographic developer intermediate
N,N-dimethyl-p-phenylenediamine sulfate
Oxidation base for hair dyes
4,4'-diaminodiphenylamine monosulfate
dye intermediate
Disodium 8-amino-1,3,6-naphthalenetrisulfonate
dye intermediate
P-aminoazobenzene
yellow azo dye
Basic orange 1
Basic dye for textiles
2-amino-5-(4-sulfophenyl)azobenzenesulfonic acid
Biological stain fast yellow
The international HS code for C.I. Basic Orange 2 (CAS 532-82-1) is 2927.00.
2927.00
2927 00 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-phenyldiazenylbenzene-1,3-diamine;hydrochloride
MCTQNEBFZMBRSQ-UHFFFAOYSA-N
C1=CC=C(C=C1)N=NC2=C(C=C(C=C2)N)N.Cl
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