Bromothymol blue(indicator)
| Molecular Formula: C27H28Br2O5S |
| Molecular Weight: 624.38 |
| Properties: colorless or ligh rose-colored crystalline powder, easily soluble in ethanol and ammonia water, slightly soluble in water. |
| Use: acid-base indicator, absorptionindicator, chromatographic analysis |
| PH range |
6.0(yellow)-7.6(blue) |
| Mass absorption eoefficient, L/(cm.g) |
≥52.0% |
| Ethanol solubility test |
Qualified |
| Residue on ignition(sulphate) |
≤0.3% |
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