Molecular formula: CH3COOK
Molecular weight: 98.15
CAS NO:127-08-2
Properties: colorless or white crystalline powder. relative density is 1.57 and melting point is 292℃. Easily soluble in water, soluble in methyl alcohol, ethyl alcohol and liquid ammonia.
Standard: maximum assay of impurities is in %
Specifications/item |
Analytically pure-AR
|
Chemically pure-CP
|
High purity
|
Assay(CH3COOK)
|
≥99.0
|
≥98.0
|
≥98.0
|
Clarity test
|
Qualified
|
Qualified
|
-
|
Water insoluble matter
|
≤0.005
|
≤0.01
|
-
|
PH value (5%, water)
|
7.5~9.5
|
7.5~9.5
|
7.5~9.5
|
Chloride(Cl)
|
≤0.002
|
≤0.005
|
≤0.01
|
phosphate(PO4)
|
≤0.002
|
≤0.005
|
-
|
Sulfate(SO4)
|
≤0.002
|
≤0.005
|
≤0.01
|
Calcium (Ca)
|
≤0.005
|
≤0.005
|
-
|
Iron (Fe)
|
≤0.000 5
|
≤0.001
|
≤0.01
|
Magnesium (Mg)
|
≤0.000 5
|
≤0.001
|
≤0.01
|
Sodium (Na)
|
≤0.02
|
≤0.10
|
-
|
Heavy metal (Pb)
|
≤0.000 5
|
≤0.001
|
≤0.000 5
|
Potassium permanganate-reducing material
|
Qualified
|
Qualified
|
-
|
Arsenic (As)
|
-
|
-
|
≤0.0005
|
Uses: as analytical reagent, PH regulator, drying agent, buffer agent, diuretic, softener for fabric and paper, and etc.
Packing: woven bag lined with plastic bag, kraft bag and fiber drum, net weight is 25kg.
|