氯化钾

等级

puriss.

质量水平

200

检测方案

99-100.5% (AT)

形式

powder or crystals

质量

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

杂质

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)

缺失

≤0.5% loss on drying, 105 °C, 3 h

pH值（酸碱度）

7

mp

770 °C (lit.)

密度

1.98 g/mL at 25 °C (lit.)

痕量阴离子

bromide (Br^-): ≤1000 mg/kg
iodide (I^-): ≤50 mg/kg
sulfate (SO₄^2-): ≤100 mg/kg

痕量阳离子

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

适用性

complies for appearance of solution

SMILES字符串

[Cl-].[K+]

InChI

1S/ClH.K/h1H;/q;+1/p-1

InChI key

WCUXLLCKKVVCTQ-UHFFFAOYSA-M