This compound is an aromatic compound containing two amino and two sulfonic acid groups. It is primarily used as a dye intermediate in industrial manufacturing.
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 1,4-Benzenedisulfonic acid, 2,5-diamino-?
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1,3-Benzenedisulfonic acid, 4,6-diamino-
dye intermediate
Disodium 3,6-dihydroxynaphthalene-2,7-disulphonate
naphthalene disulfonate dye intermediate
Reactive Blue 160
Reactive dye for textiles
2-Naphthalenesulfonic acid, 7-(acetylamino)-4-hydroxy-3-((4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)azo)-, sodium salt
reactive dye for textile coloring
Alizarin
Dye and pigment precursor
The international HS code for 1,4-Benzenedisulfonic acid, 2,5-diamino- (CAS 7139-89-1) 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.
2,5-diaminobenzene-1,4-disulfonic acid
VOPSFYWMOIKYEM-UHFFFAOYSA-N
C1=C(C(=CC(=C1S(=O)(=O)O)N)S(=O)(=O)O)N
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Sourcing 1,4-Benzenedisulfonic acid, 2,5-diamino-?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.