CASR |
: | 143-74-8 |
Molecular Formula |
: | C19H14O5S |
Molecular Weight |
: | 354.38 |
| Specifications | |
|---|---|
| Description: | Brownish red powder. |
| Solubility: | Readily soluble in alkali hydroxides. Insoluble in water. |
| Dye content: | ~ 95% |
| Transition range(pH 2.0-3.0): | Brownish orange to yellow |
| Transition range(pH 6.5-8.0): | Brownish yellow to red violet |
| Loss on drying,110°C: | 1.0% max |
