6.8 psi ( 20 °C)
99%
n20/D 1.385 (lit.)
40 °C (lit.)
−106-−105 °C (lit.)
0.691 g/mL at 25 °C (lit.)
CCCC#C
1S/C5H8/c1-3-5-4-2/h1H,4-5H2,2H3
IBXNCJKFFQIKKY-UHFFFAOYSA-N
Danger
Eyeshields, Faceshields, Gloves