CROCEIC ACID

Chinese Name: Saffron acid

Chinese synonym: 2-naphthol-8-sulfonic acid; Saffron acid; Crocin acid; Bayeric acid; Potassium 7-hydroxy-1-naphthalene sulfonate; Saffron acid, saffron acid, trans saffron acid, saffron acid; Saffron acid (50%); Potassium 7-hydroxy-1-naphthalene sulfonate (containing isomers)

English Name: 2-naphthol-8-sulfonic acid potassium salt

English synonym: croceic acid; BAYER'S ACID; 7-HYDROXY-1-NAPHTHALENESULFONIC ACID POTASSIUM SALT; 2-NAPHTHOL-8-SULFONIC ACID POTASSIUM SALT; POTASSIUM 2-NAPHTHOL-8-SULFONATE; POTASSIUM 7-HYDROXY-1-NAPHTHALENESULFONATE; potassium 7-hydroxynaphthalenesulphonate; 2-naphthol-8-sulfonic acid

CAS No.: 30252-40-5

Molecular formula: c10h7ko4s

Molecular weight: 262.32

EINECS No.: 250-101-0

Purity: min90%

Loss on drying: max3.0%

 Physicochemical Properties: gray powder or quasi white powder, used for manufacturing acid and direct azo dyes. 2-naphthol was sulfonated with 98% sulfuric acid at low temperature, and a small amount of Scheffer's acid was precipitated by adding soda ash

Purpose: biochemical research

Saving: RT