性质

grade analytical standard

vapor density 3.5 (vs air)

vapor pressure 40 mmHg ( 30 °C)

assay ≥99.8% (GC)

shelf life (limited shelf life, expiry date on the label)

expl. lim. 3.5 %

refractive index n20/D 1.385(lit.)

n20/D 1.388

bp 102-103 °C(lit.)

density 0.898 g/mL at 25 °C(lit.)