Customization: | Available |
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CAS No.: | 136-95-8 |
Formula: | C7h6n2s |
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Item | Specifications | Results |
Appearance | Light yellow to white powder | Light yellow powder |
Assay (GC) | ≥99.0% | 99.18% |
Melting point | ≥127ºC | 128.4ºC |
Water | ≤1.0% | 0.11% |
Conclusion | passed |
Used as a dye intermediate. The melting point is 129 ~ 130 ºC. It is soluble in ethanol, ether and chloroform. It is insoluble in water. When there are substituents at 4-or 6-position, the dye can produce dark color effect. It can be prepared by dehydrogenation and cyclization of phenylthiourea and sulfur chloride in anhydrous chloroform or chlorobenzene. It is used to prepare azo disperse dyes and heterocyclic cationic dyes.
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