Potassium Chloride, Color : White, Purity : 97.5%

Potassium Chloride

Potassium chloride

About This Item

Linear Formula:

KCl

CAS Number:

7447-40-7

Molecular Weight:

74.55

EC Number:

231-211-8

NACRES:

NA.21

Assay:

99-100.5% (AT)

Form:

powder or crystals

Properties

grade

puriss.

Quality Level

200

Assay

99-100.5% (AT)

form

powder or crystals

quality

meets analytical specification of Ph. Eur., BP, USP, FCC, E508

impurities

acidity or alkalinity, complies

organic volatile impurities, complies (GC)

residual solvents, complies

≤0.0001% Al

≤0.0005% heavy metals (as Pb)

≤0.003% free acid (as HCl)

≤0.005% free alkali (as KOH)

≤0.02% Mg, alkaline earth metals (as Ca)

loss

≤0.5% loss on drying, 105 °C, 3 h

pH

7

mp

770 °C (lit.)

density

1.98 g/mL at 25 °C (lit.)

anion traces

bromide (Br-): ≤1000 mg/kg

iodide (I-): ≤50 mg/kg

sulfate (SO42-): ≤100 mg/kg

cation traces

Al: ≤1 mg/kg

As: ≤0.5 mg/kg

Ba:, in accordance

Ca: ≤50 mg/kg

Cd: ≤1 mg/kg

Cu: ≤10 mg/kg

Fe: ≤10 mg/kg

Hg: ≤1 mg/kg

Mg: ≤50 mg/kg

Na: ≤700 mg/kg

Pb: ≤5 mg/kg

Zn: ≤20 mg/kg

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