Dipotassium phosphate DKP anhydrous and trihydrate
Basic Info
Model No.: Food grade
Product Description
Potassium phosphate, Dibasic
Other name : Dipotassium Monophosphate; Dipotassium Phosphate; Potassium hydrogen phosphate.
Molecular Formula : K2HPO4
Molecular Weight : 174.18
INS: 340(ii)
CAS: [7758-11-4]
DESCRIPTION
Potassium Phosphate, Dibasic, occurs as a colorless or white,
granular salt that is deliquescent when exposed to moist air.
One gram is soluble in about 3 mL of water. It is insoluble
in alcohol. The pH of a 1% solution is about 9.
Function Buffer; sequestrant; yeast food.
REQUIREMENTS
Identification A 1:20 aqueous solution gives positive tests
for Potassium and for Phosphate, Appendix IIIA.
Assay Not less than 98.0% of K2HPO4 after drying.
Arsenic Not more than 3 mg/kg.
Fluoride Not more than 10 mg/kg.
Insoluble Substances Not more than 0.2%.
Lead Not more than 2 mg/kg.
Loss on Drying Not more than 2.0%.
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Product Categories : Phosphate > Potassium Phosphate