性质
grade analytical standard
vapor density 3.9 (vs air)
vapor pressure 41 mmHg ( 21 °C)
assay ≥99.7% (GC)
autoignition temp. 745 °F
shelf life (limited shelf life, expiry date on the label)
expl. lim. 6 %
refractive index n20/D 1.391(lit.)
n20/D 1.391
bp 98-99 °C(lit.)
mp −107 °C(lit.)
density 0.692 g/mL at 25 °C(lit.)