well, 70 percent isopropyl has 70 percent C3 H8 O, and the other
30 percent is water lor.
aka 2-propanol.
Melting point: -89 C
Boiling point: 82 C
Vapour density: 2.1
Vapour pressure: 33 mm at 20 C
Specific gravity: 0.79
Flash point: 12 C
Explosion limits: 2.0 % - 12 %
Autoignition temperature: 425 C