Payment & Shipping Terms | Supply Capacity |
Payment Terms: | T/T, WU | Production Capacity: | 600T/year |
Min. Order: | 25KG | Packing: | according to the customer's requirements |
Means of Transport: | Ocean, Air, Land | Delivery Date: | 7 days |
Bromophenol Blue
CAS 115-39-9
Bromophenol blue is colorless or light rose red fine crystals. Soluble in ethanol, benzene, ether and other organic solvents, slightly soluble in water, the aqueous solution is yellow, and blue-purple in alkaline solution. It is mainly used as an acid-base indicator, the pH discoloration range is 3.0 to 4.6, and the color changes from yellow to green to blue-violet. Dissolve phenol red in glacial acetic acid, add a solution of bromine dissolved in glacial acetic acid under stirring, pour into 60°C hot water after stirring for a few minutes, cool to room temperature, and place overnight. Filter, wash the filter cake with glacial acetic acid and benzene in turn, and air dry to obtain bromophenol blue.
| Item | Index |
| PH indication range | 3.0-4.6 |
| Melting point | 273℃ |
| Density(g/ml) | 0.954 |
| Flash point | 58℃ |
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