Potassium chloride 7447-40-7


Product Deail


Potassium chloride

【Description】White crystalline or crystalline powder, hygroscopic, easy to agglomerate, relative density 1.984, melting point 773℃, boiling point 1500℃. Soluble in water, slightly soluble in alcohol, insoluble in ether and acetone.

Test items

GR

AR

CP

Other

Assay(KCl) /%

≥99.8

≥99.5

≥99.5

Custom

pH(50g/L,25℃)

5.0-8.0

5.0-8.0

5.0-8.0

Clarity of solution /#

≤2

≤3

≤5

Water insoluble /%

≤0.003

≤0.005

≤0.02

Iodide(I) /%

≤0.001

≤0.002

≤0.01

Bromide(Br) /%

≤0.01

≤0.02

≤0.05

Sulfate(SO4) /%

≤0.001

≤0.002

≤0.005

Total nitrogen(N) /%

≤0.000 5

≤0.001

≤0.001

Phosphate(PO4) /%

≤0.000 5

≤0.000 5

≤0.002

Sodium(Na) /%

≤0.02

≤0.02

≤0.1

Magnesium(Mg) /%

≤0.000 5

≤0.001

≤0.002

Calcium(Ca) /%

≤0.001

≤0.003

≤0.01

Iron(Fe) /%

≤0.000 1

≤0.000 3

≤0.000 5

Barium(Ba) /%

≤0.001

≤0.001

≤0.001

Heavy metals (as Pb) /%

≤ 0.000 5

≤ 0.000 5

≤ 0.001

【Use】Used as an analytical reagent; Buffer; Used for preparing potassium salt; Food additives; Pharmaceutical excipients; Reactive dye; Potassium fertilizer additive; Photographic chemicals.