蒸汽压
<0.01 mmHg ( 20 °C)
1 mmHg ( 795 °C)
等级
puriss.
方案
99.5-100.5%
质量
meets analytical specification of Ph. Eur., BP, USP
杂质
acidity or alkalinity, complies
residual solvents, complies
≤0.0005% ammonium (NH4)
≤0.001% heavy metals (as Pb)
≤0.02% Mg, alkaline earth metals (as Ca)
缺失
≤0.3% loss on drying, 130 °C
pH值（酸碱度）
5-8 (20 °C, 5%)
mp
734 °C (lit.)
痕量阴离子
bromate (BrO3-): ≤10 mg/kg
chloride (Cl-): ≤2000 mg/kg
iodide (I-): ≤200 mg/kg
sulfate (SO42-): ≤50 mg/kg
痕量阳离子
As: ≤3 mg/kg
Ba: ≤10 mg/kg
Ca: ≤50 mg/kg
Fe: ≤10 mg/kg
Mg: ≤20 mg/kg
Na: ≤1500 mg/kg
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一般描述
Potassium bromide (KBr) is an alkaline-earth halide. Density, viscosity and electrolytic conductivity of concentrated aqueous solutions of alkaline-earth halides have been evaluated.
应用
可用于除去外周膜蛋白。
Potassium bromide may be employed in the following studies:
- Spectrophotometric determination of aromatic amino compounds.
- Preparation of AgBr nanoparticles (NPs).
- In combination with cerium(iv) ammonium nitrate (CAN), has been employed for the bromination of alkenes.
- As oxidant for the selective monobromination of various deactivated anilines.
警示用语：
Warning
危险声明
危险分类
Eye Irrit. 2
储存分类代码
13 - Non Combustible Solids
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
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