NILE CHEMICALS |
BROMO CRESOL 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% |
Transport information
It must be recognised that the physical and chemical properties of any product may not be fully understood and that new, possibly hazardous products may arise from reactions between chemicals. The information given in this data sheet is based on our present knowledge and shall not constitute a guarantee for any specific product features and shall not establish a legally valid contractual relationship.