Purity≥99%; colorless gas, with light smell
Relative density: 0.56; flashing point: -82.8℃
Solubility: lightly soluble in water; soluble in diethyl ether
Main uses: for manufacturing of isooctane, gasoline octane number improver, for manufacturing of methacrylic acid, acetone and methyl alcohol
It is also used as raw material of hydrocarbon refrigerating fluid and iso-butane dehydrogenation.