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Basic Information
CAS No.: 567-13-5
Name: 1-AMINO-2-NAPHTHOL-4-SULFONIC ACID
Article Data: 15
Molecular Structure:
Molecular Structure of 567-13-5 (1-AMINO-2-NAPHTHOL-4-SULFONIC ACID)
Formula: C10H9 N O4 S
Molecular Weight: 239.252
Synonyms: 2-Amino-1-hydroxy-4-naphthalenesulfonicad; 2-Amino-1-naphthol-4-sulfonic acid
EINECS: 209-302-9
Density: 1.627 g/cm3
Melting Point: 290 °C (dec.)(lit.)
Boiling Point: °Cat760mmHg
Flash Point: °C
PSA: 109.00000
LogP: 3.03630
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Chemistry

Product Name: 1-Amino-2-naphthol-4-sulfonic acid (CAS NO.567-13-5)


Molecular Formula: C10H9NO4S
Molecular Weight: 239.25g/mol
Mol File: 567-13-5.mol
Einecs: 204-147-3
Melting Point: 290 °C (dec.)(lit.)
Density: 1.627 g/cm3
Synonyms of  1-Amino-2-naphthol-4-sulfonic acid (CAS NO.567-13-5): 4-Amino-3-naphthol-1-sulfonic acid ; 4-Amino-3-hydroxynaphthalene-1-sulfonic acid ; 4-Amino-3-hydroxy-1-napthalene sulfonic acid ; 4-Amino-3-hydroxy-1-naphthalenesulfonic acid ; 2-Hydroxy-4-sulfo-1-naphthylamine ; 1-Amino-2-hydroxy-4-sulfonaphthalene ; 1-Amino-2-sydroxy-4-naphthalenesulfonic acid .
 1-Amino-2-naphthol-4-sulfonic acid (CAS NO.567-13-5) is white or gray crystalline needle, often containing semi-crystalline molecular water. It soluble in hot sodium bisulfite and alkali solution, and do not dissolve in cold ethanol; Ether; Benzene, water-soluble. When in the air it become pink, what's more when in wet. Alkali solution in the air quickly oxidized brown, neutral solution is slightly blue fluorescence.

Uses

Acidic media complex dyes and acid dyes intermediates. 1-Amino-2-naphthol-4-sulfonic acid (CAS NO.567-13-5) is used in the manufacture of complex pink B; Acidic media and the black R GGN acid complex salt; BN acidic media such date. It's also for Determination of phosphate and calcium.

Production

 2-Naphthol as raw material, by alkali fusion; Nitrosation; Sulfonated derived. Raw material consumption scale : 2-naphthol (99%) 840kg / t; Sodium bisulfite (98%) 1500kg / t; Sulfuric acid (92.5%) 1600kg / t.