C6H6KNO7S2
307.3 g/mol
Dye & PigmentDanger
Potassium hydrogen-5-amino-4-hydroxybenzene-1,3-disulphonate
CAS83763-34-2EC280-719-6
Category
Dye & Pigment
Compound Class
Amine
Primary Use
dye intermediate
Potassium hydrogen-5-amino-4-hydroxybenzene-1,3-disulphonate is an aromatic sulfonate salt used as an intermediate in the synthesis of dyes. It contains both amino and hydroxyl substituents on a benzene ring with two sulfonate groups, contributing to its water solubility and reactivity.
dye intermediate
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.
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Related Compounds
ReferenceSame Category
Dichlorosulfophenyl-3-methylpyrazolone
CAS84-57-1
Dye intermediate
ReferenceSame Category
Anthraquinone
CAS84-65-1
chemical intermediate for dyes and pigments
ReferenceSame Category
2,2'-dimethylbenzidine
CAS84-67-3
intermediate for dye and pigment synthesis
ReferenceSame Category
Naphthionic acid
CAS84-86-6
Naphthalene sulfonic acid dye intermediate
Safety Reference
Danger
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
Customs Tariff Classification
The international HS code for Potassium hydrogen-5-amino-4-hydroxybenzene-1,3-disulphonate (CAS 83763-34-2) is 2922.29.
HS code (international, 6-digit)
2922.29
EU CN code (8-digit)
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.
Identifiers
IUPAC Name
potassium 3-amino-2-hydroxy-5-sulfobenzenesulfonate
InChIKey
CBOKDZSOCSSLKA-UHFFFAOYSA-M
SMILES
C1=C(C=C(C(=C1N)O)S(=O)(=O)[O-])S(=O)(=O)O.[K+]
Synonyms (1)
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