2,5 -二酮

 性质
vapor pressure 0.43 mmHg ( 20 °C)
grade puriss. p.a.
assay ≥99.0% (GC)
total impurities ≤0.1% water
refractive index n20/D 1.425(lit.)
  n20/D 1.425
bp 191 °C(lit.)
mp −6-−5 °C(lit.)
density 0.973 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: ≤1 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: ≤1 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 36/38-48/20/21/22
Safety Statements 23-26-36/37
WGK Germany 2
RTECS MO3150000
LEL 1.50%(V)
Flash Point(F) 174.2 °F
Flash Point(C) 79 °C