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Zhejiang Wulong Chemical Industrial Stock Co.,Ltd.

26 YRS

Zhejiang, China

CNY 551.9 Million

319680 m²

500-1000 people

Main Products: 4-Aminobenzenesulfonic Acid

Zhejiang, China

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Sulphanilic Acid / CAS 121-57-3

OVERVIEW

Uses

Packaging

25 KG/Woven Bag

Lead Time

14-30 days

Max Capacity

55000 MT/Year

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DESCRIPTION

P-sulfanilic acid

Chemical common name: sulfanilic acid; 4-aminobenzenesulfonic acid

CAS number: 121-57-3

Molecular formula: C6H7NO3S

Molecular weight: 173.20

Melting point (℃): 280 (decomposition)

Relative density (water=1, 25℃): 1.49

Solubility: slightly soluble in cold water, soluble in hot water, insoluble in ethanol, ether, benzene, soluble in sodium hydroxide aqueous solution

Quality Index

Appearance: white to off-white powder

Water insoluble matter: ≤0.10%

Content (total amino value) ≥99.0%

Aniline content: ≤0.002%

Scope of application

Mainly used for sulfamate water reducer, etc.

Storage method

Stored in a cool, ventilated warehouse, away from fire and heat sources, and should be mixed with oxidants,

Store acids and alkalis separately, and avoid mixed storage.

Typical Properties

It is mainly used in the manufacture of dyes, printing and dyeing auxiliaries, the prevention and control of wheat rust, as intermediates such as spices, edible pigments, pharmaceuticals, whitening agents and pesticides, as well as reference reagents, experimental reagents and chromatographic analysis reagents.

CAS No.

121-57-3

Formula

C6H7NO3S

Molecular Mass

173.19000

Exact Mass

173.01500

PSA

88.77000

Logp

2.17750

IUPAC

4-aminobenzenesulfonic acid

SMILES

C1=CC(=CC=C1N)S(=O)(=O)O

Matter Classification

organic

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