Bromophenol blue(indicator)
| Molecular Formula: C19H10Br4O5S |
| Molecular Weight: 669.97 |
| Properties: similar to yellow or light red powder, slightly soluble in water and ether; soluble in ethanol. |
Use: acid-base indicator, non-water solution titration
indicator. |
| PH range |
3.0(yellow)-4.6(blueish violet) |
| Mass absorption eoefficient, L/(cm.g) |
≥115 |
| Ethanol solubility test |
Qualified |
| Residue on ignition(sulphate) |
≤0.25% |
|
