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| Product Name: |
H-acid
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| Specifications |
25KG |
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Molecular Formula: C10H8O7NS2Na
Molecular Weight: 341.3
Physical and Chemical Properties:
(1)the solubility in water is 0.17% (20℃);
(2)the solubility in water is 2.40% (60C℃);
(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.
CAS#:5460-09-3 |
| Company: |
Ningbo Roger Biotech Co., Ltd
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| Contact: |
Ms. minmin guo |
| Address: |
Putian Technology Park,No.128,Yingchun Road,Gaoqiao,Yinzhou District,Ningbo,China |
| Postcode: |
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| Tel: |
86 0574 13738461183 |
| Fax: |
+86-574-87298083 |
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