2-Amino-4-chlorophenol-6-sulfonic acid

4-氯-2-氨基苯酚-6-磺酸

Also known as: 3-Amino-5-chloro-2-hydroxybenzenesulfonic acid, 6-Amino-4-chlorophenol-2-sulfonic acid, 2-Amino-4-chlorophenyl-6-sulfonic acid, 2-Amino-4-chlorphenol-6-sulfonsure, Metanilic acid, 5-chloro-2-hydroxy-, Benzenesulfonic acid, 3-amino-5-chloro-2-hydroxy-, 6-Amino-4-chloro-1-phenol-2-sulfonic acid, EINECS 201-813-5, MFCD00035768

CAS No.
88-23-3
Jingsj CID
J-6162-5
Molecular Formula
C6H6ClNO4S
Chinese Name
4-氯-2-氨基苯酚-6-磺酸
Molecular Weight
223.634 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point44-45 °C(lit.)
Boiling Point150 °C4 mm Hg(lit.)
Density1.8±0.1 g/cm3
Flash Point>230 °F

Frequently Asked Questions

What is the CAS number of 2-Amino-4-chlorophenol-6-sulfonic acid?

88-23-3

What are the molecular formula and molecular weight of 2-Amino-4-chlorophenol-6-sulfonic acid?

C6H6ClNO4S, molecular weight 223.634 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026