NILE CHEMICALS |
|
NILE CHEMICALS |
BROMOCRESOL PURPLE |
SPECIFICATION SHEET |
| CAS No. | 115 - 40 - 2 |  |
| Chemical Formula | C21H16Br2O5S | |
| Molecular Weight | 540.24 | |
| Melting Point | 240° c | |
| Dye Content | ~95% | |
| Transition Range | pH 5.2 - 6.8 Greenish Yellow to Purple |
|
| Absorption Max(pH5.2) | 427 - 431 nm | |
| Absorption Max(pH6.8) | 588 - 590 nm | |
| Absorptivity(1%,1cm)pH 5.2 | 400 - 450 | |
| Absorptivity(1%,1cm)pH 6.8 | 1000 - 1100 | |
| Loss On Drying | <1% |
Also Available Bromocrersol Purple Sodium Salt Cas no 62625-30-3
MSDS
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