Description
5,5′-Dibromo-o-cresolsulphonphthalein
BROMOCRESOL PURPLE INDICATOR AR
Adsorption indicator for the bromide and chloride determination.
| Article No. | 02280 | Grade | AR |
| Purity | CAS No. | 115-40-2 | |
| Molecular Formula | C21H16Br2O5S | Molecular Weight | 540.24 |
| H.S. Code | 2942.0090 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | Purple to pink to yellow | ||||
| Melting point/ Freezing point [°C] | 240 °C | Solubility in water [% weight] | Insoluble in water | ||||
Specifications
| Appearance | Grey to light purple or pink to yellow-tan powder | pH transition (5.2 – 6.8) | Yellow to purple |
| Appearance of solution | Conforms | Loss on drying (at 110°C) | Max 1% |
| Sensitivity test | Passes test |

