Products
| Pyrocatechol Violet | |
| Product name | Pyrocatechol Violet |
| Chinese name | 儿茶酚紫；邻苯二酚磺酞；邻苯二酚咪；兒茶酚紫；二茶酚紫；邻二酚磺酞；儿茶酚磺酞；焦儿茶酚紫 |
| English name | Pyrocatechol Violet |
| Molecular formula | C19H14O7S |
| Molecular weight | 386.38 |
| CAS No. | 115-41-3 |
| Product photo |  |
| Structure |  |
| chemical properties | Soluble in water and alcohol, slightly soluble in cold anhydrous ethanol, insoluble in nonpolar organic solvents (e.g. ether, benzene, xylene) . The water solution is yellow, when the acidity is increased by Huang Bianhong, PH6 above the purple, pH9 above purple red. Water solution is stable, but oxidation of oxidant. |
| Appearance | Red brown crystalline powder, metallic luster |
| Melting point | 185°C |
| Content | |
| Moisture | |
| Packing | 1kg |
The other explanation |
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