Molecular formula: K2HPO4·3H2O
Molecular weight: 228.22
CAS NO: 16788-57-1
Properties: White crystal. Soluble in water and slightly soluble in alcohol.
Uses: as analytical reagent, pharmaceutical and boiler water treatment, raw material for food swelling agent, seasoner, bacteria culture medium, PH regulator, and etc.
Standard: The maximum content of impurities is in percentage content
Specifications/item |
Analytically pure-AR
|
Chemically pure-CP
|
Assay(K2HPO4·3H2O) /%
|
≥99.0
|
≥97.0
|
Clarity test
|
Qualified
|
Qualified
|
Water insoluble matter
|
≤0.01
|
≤0.03
|
Chloride(Cl)
|
≤0.002
|
≤0.005
|
Sulfate(SO4)
|
≤0.01
|
≤0.03
|
Nitrate(NO3)
|
≤0.001
|
≤0.003
|
Sodium (Na)
|
≤0.05
|
≤0.10
|
Magnesium (Mg)
|
≤0.001
|
≤0.001
|
Iron (Fe)
|
≤0.001
|
≤0.003
|
Arsenic (As)
|
≤0.0001
|
≤0.0003
|
Heavy metal (Pb)
|
≤0.001
|
≤0.003
|
Packing: woven bag lined with plastic bag, kraft bag, or fiber drum, net weight is 25kg.
|