性质
grade analytical standard
vapor density 2.1 (vs air)
assay ≥99.8% (GC)
autoignition temp. 842 °F
shelf life (limited shelf life, expiry date on the label)
expl. lim. 23 %
refractive index n20/D 1.343(lit.)
n20/D 1.344
bp 32-34 °C(lit.)
mp −100 °C(lit.)
density 0.974 g/mL at 20 °C(lit.)
