Safety Reference
Danger
H341Suspected of causing genetic defects
H350May cause cancer
Sourcing 3,3'-Diaminobenzidine?
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Sourcing 3,3'-Diaminobenzidine?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
3,3'-Diaminobenzidine is a biphenyl tetraamine compound commonly employed as a histochemical reagent for peroxidase detection. It is primarily used in research settings for visualizing peroxidase activity in biological samples.
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'-Diaminobenzidine (CAS 91-95-2) is 2921.59.
2921.59
2921 59 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
4-(3,4-diaminophenyl)benzene-1,2-diamine
HSTOKWSFWGCZMH-UHFFFAOYSA-N
C1=CC(=C(C=C1C2=CC(=C(C=C2)N)N)N)N