Potassium Phosphate Monobasic

CAS NO: 7778-77-0
Molecular Weight: 136.08 
EC NO: 231-913-4
Formula: KH₂PO₄
InChI: InChI=1/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1

Product description:
Chemical formula is KH2PO4, molecular weight is 136.09. Colorless crystal or white granular powder. Stable in the air, soluble in 4.5 parts water, solubility is 83.5g/100ml water, insoluble in ethyl alcohol. Relative density 2.34. Melting point 252.6℃.

Name
　　Product name: Potassium Phosphate Monobasic
　　Alias: Dipotassium dihydrogenphosphate; Phosphoric acid, monopotassium salt; potassium dihydrogenorthophosphate; Potassium dihydrogen phosphate; MONOPOTASSIUM PHOSPHATE; MKP; Mono Potassium Phosphate; Potassium phosphate, monobasic
Chemical formula
　　 KH₂PO₄
Relative molecular mass
　　 136.09
Properties
　　Colorless crystal or white granular powder. Stable in the air, soluble in 4.5 parts water, insoluble in ethyl alcohol. pH4.4～4.7. Relative density 2.34. Melting point 252.6℃.
Storage
　　Tightly sealed. SCRC 100176510205
Uses
　　The product can be used in preparing buffer solution, in measuring arsenic, antimony, phosphorus, aluminum and iron, and in preparing phosphorus standard liquid, culture medium, etc.
Index
　　Arsenic (As), % ≤0.0002
　　Lead (Pb), % ≤0.001
　　Clarity test/Number ≤2
　　 pH(50g/L solution, 25℃) 4.2～4.5
　　Content (KH2PO4), % 99.5～100.5
　　Water insoluble matter, % ≤0.002
　　Heavy metal (Pb), % ≤0.001
　　Sodium (Na), % ≤0.02
　　Iron (Fe), % ≤0.001
　　Copper (Cu), % ≤0.0003
　　Drying loss, % ≤0.2
　　Total nitrogen (N), % ≤0.001
　　Chloride (Cl), % ≤0.0005
　　Sulfate (SO4), % ≤0.003

Packing
Laminated plastic woven bag lined with plastic film bag, net weight 10kg, 20kg, 25kg/bag, export product is according to the requirement of foreign merchant

Alias:Dipotassium dihydrogenphosphate; Phosphoric acid, monopotassium salt; potassium dihydrogenorthophosphate; Potassium dihydrogen phosphate; MONOPOTASSIUM PHOSPHATE; MKP; Mono Potassium Phosphate; Potassium phosphate, monobasi

7778-77-0