Pharmaceutical grade monopotassium phosphate KH2PO4 CAS 7778-77-0
Molecular formula: KH2PO4
CAS: 7778-77-0
Appearance: colorless crystal
Properties:
Colorless to white crystalls or crystal powder, odourless. Relative density 2.338. Soluble in water, insoluble in ethanol. Acidic aqueous solution, 2.7% of the aqueous solution PH 4.2 4.7. Stability in the air. ADI0-70 mg/kg (FAO/WHO, 1994).
Use:
Used as chromatographic analysis reagent and buffer, also used in pharmaceutical synthesis.
Used in the manufacture of baking, in the food industry as a leavening agent, flavouring agent, fermentation
additives, nutrition enhancer, yeast food. Also used as a buffering agent, chelating agent.
Used as a fertilizer, seasoning, brewing yeast culture agent, was used to prepare buffer solution, also used in medicine and the manufacturing potassium metaphosphate.
Specifications | Specifications | |
Tech. grade | Food grade | |
Appearance | White powder | |
Main content, % min | 99.0 | 99.0 |
Phosphorus pent-oxide, % min | 51.5 | 51.5 |
Potassium oxide,as K2O % min | 34.0 | 34.0 |
Water insoluble, % max | 0.10 | 0.10 |
Chloride,asCl. % max | 0.2 | 0.02 |
Moisture % max | 0.2 | 0.2 |
Heavy metals ,as Pb. % max | ------ | 0.001 |
Arsenic,as As. % max | ------ | 0.0003 |
Fluoride,as F. % max | ------ | 0.005 |
PH | 4.1-4.4 | 4.1-4.4 |