Safety Reference
Danger
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H318
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
CAS 20325-40-0
Dianisidine
Intermediate for dyes and pigments
3,3'-Dimethoxybenzidine dihydrochloride is a chemical compound used as a pigment intermediate. The National Toxicology Program has identified it as a substance that can cause cancer.
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.
The international HS code for 3,3'-DIMETHOXYBENZIDINE DIHYDROCHLORIDE (CAS 20325-40-0) is 2922.29.
2922.29
2922 29 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-(4-amino-3-methoxyphenyl)-2-methoxyaniline;dihydrochloride
UXTIAFYTYOEQHV-UHFFFAOYSA-N
COC1=C(C=CC(=C1)C2=CC(=C(C=C2)N)OC)N.Cl.Cl