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Langfang Tianke Biotechnology Co., Ltd.
Langfang Tianke Biotechnology
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Potassium chloride

Potassium chloride

Molecular formula: KCl
Molecular weight: 74.55
CAS NO:7447-40-7
Properties: white cubic crystalline powder. Relative density is 1.988 and melting point is 771℃. Soluble in water, insoluble in diethyl ether and acetone.
Uses: as chemical reagent and electrolyte supplement. It can be used in preparing injection and diuretics.
Standard: maximum assay of impurities is in 百分比

Specification/item

Analytically pure-AR

Chemically pure-CP

High pure

Assay (KCl) /百分比

≥99.5

≥99.5

≥99.5

PH(50g/L solution,25℃)

5.0~8.0

5.0~8.0

Clarity test

Qualified

Qualified

Water insoluble matter

≤0.005

≤0.02

Iodide (I)

≤0.002

≤0.01

Bromide(Br)

≤0.02

≤0.05

Sulfate (SO4)

≤0.002

≤0.005

≤0.01

Total nitrogen (N)

≤0.001

≤0.001

Phosphate (PO4)

≤0.0005

≤0.002

Sodium (Na)

≤0.02

≤0.1

Magnesium (Mg)

≤0.001

≤0.002

Calcium (Ca)

≤0.003

≤0.01

Iron (Fe)

≤0.0003

≤0.0005

≤0.0005

Barium (Ba)

≤0.001

≤0.001

Heavy metal (Pb)

≤0.0005

≤0.001

≤0.0005

Drying loss

1.0

Arsenic (As)

≤0.0001

Packing, storage and transportation: woven bag lined with plastic bag, kraft paper bag, or fiber drum, net weight is 25kg.

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