0102030405
Phenolphthalein | C20H14O4 | 77-09-8
Property
Melting point: 261 - 263 °C (lit.)
Boiling point: 417.49°C
Density: 1.27 g/cm3 at 32 °C
Bulk density: 350 - 450 kg/m3
Vapor pressure: <0.00001 Pa (50 °C)
Refractive index: 1.5400
Fp: 24 °C
Storage temp.: no restrictions.
Solubility: Soluble in alcohol. Slightly soluble in ether. Slightly soluble in dimethyl sulfoxide and insoluble in benzene or hexane.
Colour Index: 764
Form: Solid
Pka: 9.4 (at 25℃)
Color: White to yellow - white
PH Range: 8.0 (colorless) - 10 (Red)
Application
This product is a commonly used acid indicator with the range of color change between pH 8.2 (colorless) to 10.0 (red). Phenolphthalein is also a drug, can be used as a laxative, acting on the colon for the treatment of constipation.
Package And Storage
Package:
25kg/carton drum or as your requirements.
Remark: Chemical composition and size can be optimized by the customers' requirements
Storage:
Separated from ammonium nitrate and potassium chlorate. Dry.Keep container tightly closed in a dry and well-ventilated place. Hygroscopic.
Safety Protection
Precautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.