Safety Reference
Danger
H301Toxic if swallowed
H311
Sourcing P-Phenylenediamine sulfate?
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research intermediate
Sourcing P-Phenylenediamine sulfate?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
p-Phenylenediamine sulfate is a salt form of p-phenylenediamine, a chemical compound commonly used as a hair dye ingredient. It appears as a crystalline solid and is a derivative of para-phenylenediamine.
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 P-Phenylenediamine sulfate (CAS 16245-77-5) is 2921.51.
2921.51
2921 51 19
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
benzene-1,4-diamine;sulfuric acid
UFPKLWVNKAMAPE-UHFFFAOYSA-N
C1=CC(=CC=C1N)N.OS(=O)(=O)O