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| CHLOROPHENOL RED |
| SPECIFICATION SHEET |
| CAS No. | 4430-20-0 |  |
| Chemical Formula | C19H12Cl2O5S | |
| Molecular Weight | 423.28 | |
| Dye Content | ~70% | |
| Solution Clarity (EtOH) | To pass | |
| Transition Range | pH 4.8 - pH 6.4 |
Absorptivity (pH 4.8) 432 - 436 nm | 450 - 600 |
| Absorptivity (pH 6.4) 574 - 578 nm | 1000 - 1300 | |
| Loss On Drying (110° c.) | < 8% |
NILE
CHEMICALS