Sulfo Tobias Acid


Product name: Sulfo Tobias Acid

Chemical name: 2-aminonaphthalene-1,5-disulfonic acid

CAS: 117-62-4

Synonyms:2-Naphthaleneamine-1,5-disulphonic acid; Sulpho Tobias Acid

Short name: STA

MW: 303

MF: C10H9NO6S2

Use: It is mainly used as intermediate of reactive and azo dyes.

Package: 25kg per plastic woven bag

Origin: Made In China

Specifications of Sulfo Tobias acid:

Items Standards Results
Appearance white  powder white powder
Content 67% 67%
Moisture 0.5% 0.35%
Ash 0.5% 0.38%
pH 5-8 6

Introductions of  Sulfo Tobias acid

Sulfo Tobias acid is an important intermediate product in the manufacture of dyes, especially reactive dyes.The method is to sulfonate 2-naphthylamine-1-sulfonic acid(Tobias acid) in fuming sulfuric acid (SO3 content:15-30%) at room temperature.

MSDS/SDS of Sulfo Tobias acid

Sulfo Tobias Acid 1

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