Tobias acid


Product name: Tobias acid

Chemical name: 2-Aminonaphthalene-1-sulfonic acid;

CAS: 81-16-3

Synonyms: 2-naphthamine-1-sulphonic acid;

MW: 223

MF: C10H9NO3S

Use: It is mainly used as intermediate of J Acid,J acid urea,etc.

Package: 25kg per bag

Origin: Made In China

Specifications of Tobias acid

Items Standards Results
Appearance grey to white solid Comply
Content 97% 97.2%
Moisture 0.5% 0.35%
Ash 0.5% 0.38%
pH 5-8 6

Introduction of Tobias acid

Tobias acid is a kind of azo dye intermediate, which is mainly used in the manufacture of J-acid, lisol red R and other dye products. Chemical property: white acicular crystal. Slightly soluble in cold water, soluble in hot water, very slightly soluble in ethanol and ether. It is used as the intermediate of azo dyes and azo pigments. It is used for the manufacture of J-acid and γ acid, chromophenol AS-SW, reactive red k-1613 and other dyes. It is used for the manufacture of J-acid and γ acid, chromophenol AS-SW, reactive red k-1613, organic purple red, lisol purple red and lisol red.

 

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