»	Water treatment chemicals

»	Biocides & Pesticides

»	Oil Drilling Chemicals

»	Chelating Agent


»	Dying Intermediates

»	Food & Feed Additives

»	Plastic & Rubber Additives

»	Textile Chemicals

»	Veterinary Drugs

»	Inorganic Salts

HOME >> Products >> Dying Intermediates

Sulfanilic Acid

CAS No.: 121-57-3 EINECS: 204-482-5

Molecular Formula:C₆H₇NO₃S Molecular weight: 173.19

Structural formula:

Property:

Sulfanilic Acid (4-Aminobenzene Sulfonic Acid ) is a colourless crystalline solid produced from sulfonation of aniline. Sulfanilic Acid readily forms Diazo compounds and is used to make dyes and sulpha drugs. Sulfanilic Acid exists as a zwitterion, and has an unusually high melting point. Sulfanilic Acid is used as a standard in Combustion Analysis.

Specification:

Item	Index
Appearance	white to offwhite powder
Assay(total ammino),% ≥	99
Aniline content,% ≤	0.02
Water insolubles content,% ≤	0.1
Sodium carbonate solution	Transparent

Usage:

Sulfanilic Acid is an important intermediate used to produce dyestuff, printing & dyeing auxiliaries etc. Sulfanilic Acid is also an ideal intermediate used in food, pharmacy and building materials areas.

Package and Storage:

Sulfanilic Acid is packed in 25KG woven bag with plastic lining, or upon clients' request

Keywords：