Potassium dihydrogen phosphate
Molecular formula: KH2PO4
CAS: 7778-77-0
Appearance:
White crystal powder
Properties:
Colorless sifang crystals or white crystalloid powder. The relative density 2.338. Melting point 252.6 °C. Soluble in water (90 °C for improve g / 100ml canister water), become acidic aqueous solution, 1% linsuanerqingjia solution pH value is 4.6. Not soluble in alcohol. Have ChaoXie sex. Heating and 400 °C melted and transparent liquid, after cooling curing is not transparent glass shape partial potassium phosphate.
Purity: 99%
Use:
Analytics reagents, such as configuration standard solution, buffer a PH. Also used in the pharmaceutical industry, piezoelectric element and electric optical components production.