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2-Aminophenol-4-sulfonic acid

English name: 2-Aminophenol-4-sulfonic acid
Alias: 3-Amino-4-hydroxybenzenesulfonic acid
Molecular formula: C6H7NO4S
Molecular weight: 189.19
Structural formula:
CAS No.: 98-37-3
EINECE: 202-662-8
Content: ≥90%
Appearance: brown crystal powder
Melting point: >300 ℃ (DEC.)
Water solubility: <0.1 G/100 ML AT 21.5 ℃
Dangerous mark: C
Risk category code: R34
Safety instruction: S26;S36/37/39;S45
UN: UN 2585
Packaging: 25kg/woven bag
Uses: dyes intermediate;

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