二甘醇

 性质
vapor density 2.14 (vs air)
vapor pressure 0.01 mmHg ( 20 °C)
grade puriss. p.a.
assay ≥99.0% (GC)
autoignition temp. 442 °F
expl. lim. 2-12.3 %
total impurities ≤0.0005% peroxides (as H2O2)
  ≤0.01% free acid (as CH3COOH)
  ≤0.05% water
  ≤0.8% ethylene glycol (HOCH2CH2OH)
color colorless
  ≤25(APHA)
refractive index n20/D 1.447(lit.)
  n20/D 1.447
bp 245 °C(lit.)
mp −10 °C(lit.)
density 1.116 g/mL at 20 °C
  1.118 g/mL at 25 °C(lit.)
cation traces Ca: ≤5 mg/kg
  Cd: ≤1 mg/kg
  Co: ≤1 mg/kg
  Cr: ≤1 mg/kg
  Cu: ≤1 mg/kg
  Fe: ≤2 mg/kg
  K: ≤20 mg/kg
  Mg: ≤1 mg/kg
  Mn: ≤1 mg/kg
  Na: ≤20 mg/kg
  Ni: ≤1 mg/kg
  Pb: ≤1 mg/kg
  Zn: ≤10 mg/kg

安全性
Personal Protective Equipment Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Hazard Codes Xn
Risk Statements 22
Safety Statements 46
WGK Germany 1
RTECS ID5950000
UEL 12.30%(V)
LEL 2.00%(V)
Flash Point(F) 253.4 °F
Flash Point(C) 123 °C