Bromocresol Green | |
3'3"5'5"-Tetrabromo-m-cresolsulfonephthalein | |
Molecular Formula | C21H14Br4O5S |
Molecular Weight | 698.01 |
CAS Number | 76-60-8 |
Test | Results | (Limit/Std) |
Appearance | Yellow Colour Powder | (passes test) |
Transitio pH range | 3.8-5.4 |
|
| YELLOWISH GREEN- BLUE |
|
Soluability 0.1% (EtOH) | Clear Golden Yellow Solution | (passes test) |
Absorptivity 1%/1cm, |
|
|
(pH 3.8) at l max 437.0 nm | 261 | (240-270) |
(pH 5.4) at l max 616.0 nm | 562 | (530-570) |
Loss On Drying (1100C) 1 hr. | 1.36% | < 3% |
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