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Zhejiang Huate Group
Room No 1805, Baiyun Building, No. 176, Tiancheng Road, Hangzhou, Zhejiang, China
Room No 1805, Baiyun Building, No. 176, Tiancheng Road, Hangzhou, Zhejiang, China
| 1-Amino 8-naphthal, 3, 6-disulphonic Acid Structural Formula: Molecular Formula: C10H8O7NS2Na Molecular Weight: 341.3 Physical and Chemical Properties: (1)the solubility in water is 0.17% (20 C); (2)the solubility in water is 2.40% (60C C); (3)insoluble in alcohol and aether; (4)soluble in solutions of alkali, sodium carbonate and ammonia; (5)the dilute solutiono f H-acid appears blue red fluorescence; (6)H-acid can couple in both acid and alkali condition; (7)a. The alkali solution of H-acid fast becomes dark in air; B. To produce yellow crystalline diazo compound when reacting with nitrous acid; C. Diazo compounds are soluble in soda and alkali solution; D. Appears light violet when dissolving in soda solution, appears dark green when dissolving in alkali solution. Main Uses: Used to produce all kinds of azo dyes, used to dye wools, textiles, papers and paper textiles; Also used to synthesize pharmaceutical. |
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