
| Phenol red AR 100GM | |||
| 21180SG100 | 946540325DY | ||
| AR | 9465403 | ||
| 143-74-8 | 111548 | ||
| C19H14O5S | April 2025 | ||
| 354.38 | March 2030 | ||
| Sr.No. | Test | Result | Specification | Method Reference |
|---|---|---|---|---|
| 1 | Description | Brownish red powder. | Brownish red powder. | |
| 2 | Solubility | Complies | Readily soluble in alkali hydroxides. Insoluble in water. | |
| 3 | Dye content | 95% | ~ 95% | |
| 4 | Transition range(pH 2.0-3.0) | Complies | Brownish orange to yellow | |
| 5 | Transition range(pH 6.5-8.0) | Complies | Brownish yellow to red violet | |
| 6 | Loss on drying,110°C | 0.53% | 1.0% max |
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |