二甲基亚砜

 性质
vapor density 2.7 (vs air)
vapor pressure 0.42 mmHg ( 20 °C)
grade puriss. p.a.
assay ≥99.5% (GC)
autoignition temp. 573 °F
expl. lim. 42 %± , 63 °F
total impurities ≤0.001% free acid (as CH3COOH)
  ≤0.1% water
evapn. residue  ≤0.005%
refractive index n20/D 1.479(lit.)
  n20/D 1.479
bp 189 °C(lit.)
mp 16-19 °C(lit.)
  18-20 °C
density 1.100 g/mL at 20 °C
  1.10 g/mL(lit.)
cation traces Al: ≤0.5 mg/kg
  Ba: ≤0.1 mg/kg
  Bi: ≤0.1 mg/kg
  Ca: ≤0.5 mg/kg
  Cd: ≤0.05 mg/kg
  Co: ≤0.02 mg/kg
  Cr: ≤0.02 mg/kg
  Cu: ≤0.02 mg/kg
  Fe: ≤0.5 mg/kg
  K: ≤0.5 mg/kg
  Li: ≤0.1 mg/kg
  Mg: ≤0.1 mg/kg
  Mn: ≤0.02 mg/kg
  Mo: ≤0.1 mg/kg
  Na: ≤1 mg/kg
  Ni: ≤0.5 mg/kg
  Pb: ≤0.1 mg/kg
  Sr: ≤0.1 mg/kg
  Zn: ≤0.1 mg/kg

安全性
Personal Protective Equipment Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
WGK Germany 1
RTECS PV6210000
UEL 42.00%(V)
LEL 3.50%(V)
Flash Point(F) 188.6 °F
Flash Point(C) 87 °C