氯化钾

产品名称：

7447-40-7
Potassium Chloride
氯化钾

产品介绍：

产品说明

应用

可用于制备磷酸盐生理缓冲液以及萃取和增溶蛋白质。

分析说明

Assay (argentometric): 99.5 - 100.5 %
Assay (argentometric; calculated on dried substance): 99.0 - 100.5 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.005 %
pH-value (5 %; water): 5.5 - 8.0
Acidity or alkalinity: passes test
Bromide (Br): ≤ 0.005 %
Chlorate and Nitrate (as NO₃): ≤ 0.003 %
Iodide (I):
≤ 0.002 %
: passes test
Phosphate (PO₄): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.001 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
Ba (Barium): passes test
Ca (Calcium): ≤ 0.001 %
Fe (Iron): ≤ 0.0002 %
Mg (Magnesium): ≤ 0.0005 %
Na (Sodium): ≤ 0.005 %
Magnesium and alkaline-earth metals (as Ca): ≤ 0.02 %
Loss on Drying (105°C): ≤ 1.0 %
Corresponds to ACS,ISO,Reag. Ph Eur

法律信息

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

基本信息

线性分子式	KCl
分子量	74.55
MDL编号	MFCD00011360
EC索引号	231-211-8

产品性质

质量水平	300
等级	ACS reagent
agency	reag. ISO reag. Ph. Eur.
测定	99-100.5% dry basis (silver nitrate titration) 99.5-100.5% (silver nitrate titration)
形式	solid
效能	2600 mg/kg LD₅₀, oral (Rat)
pH值(酸碱度)	5.5-8.0 (25 ℃, 50 g/L in H₂O)
bp	1413 ℃/1013 hPa
mp	770 ℃ (lit.)
密度	1.98 g/mL at 25 ℃ (lit.)
堆积密度	1000 kg/m³
痕量阴离子	bromide (Br^-): ≤0.005% chlorate, nitrate (as NO₃^-): ≤0.003% iodide (I^-): ≤0.002%passes test phosphate (PO₄^3-): ≤0.0005% sulfate (SO₄^2-): ≤0.001%
痕量阳离子	Ba:, passes test Ca: ≤ 0.001% Fe: ≤ 0.0002% Mg: ≤ 0.0005% Mg: ≤0.02% (alkaline earth metals (as Ca)) N: ≤ 0.001% Na: ≤ 0.005% heavy metals (as Pb): ≤ 0.0005%
储存温度	2-30℃
SMILES string	[Cl-].[K+]
InChI	1S/ClH.K/h1H;/q;+1/p-1
InChI key	WCUXLLCKKVVCTQ-UHFFFAOYSA-M

安全信息

储存分类代码	13 - Non Combustible Solids
WGK	WGK 1
闪点(F)	Not applicable
闪点(C)	Not applicable