Properties
Melting point | 179-182°C(lit.) |
Boiling point | 412.44°C(roughestimate) |
Density | 0.839g/mLat25°C |
Vapour density | 9.3(vsair) |
Refractive index | 1.5930(estimate) |
Flash point | 11°C |
Storage conditions | Storeat+5°Cto+30°C. |
Solubility | Ethanol: soluble 1mg/mL |
Chemical PropertiesMethyl Red appears as lustrous purple crystal or reddish brown powder. Melting point 180-182 ℃. Soluble in ethanol, glacial acetic acid, almost insoluble in water.
Uses
Methyl red is one of the commonly used acid-base indicator, the usual concentration of 0.1% ethanol solution, pH 4.4 (red)-6.2 (yellow). It is also used for living protozoan staining.
Packing
1kg/bag,25kg/drum
Storage
Keep at low temperature and keep away from light