溴化钾

 性质
vapor pressure <0.01 mmHg ( 20 °C)
  1 mmHg ( 795 °C)
grade puriss.
assay 99.5-100.5%
quality meets analytical specification of Ph. Eur., BP, USP
total impurities 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)
loss ≤0.3% loss on drying, 130 °C
pH 5-8 (20 °C, 5%)
mp 734 °C(lit.)
anion traces bromate (BrO3-): ≤10 mg/kg
  chloride (Cl-): ≤2000 mg/kg
  iodide (I-): ≤200 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces As: ≤3 mg/kg
  Ba: ≤10 mg/kg
  Ca: ≤50 mg/kg
  Fe: ≤10 mg/kg
  Mg: ≤20 mg/kg
  Na: ≤1500 mg/kg
suitability complies for appearance of solution

安全性
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
WGK Germany 1
RTECS TS7650000