Property of no color, odorless, and incombustibility, and is heavier than air. Property - Boiling Point : -78.5? - Density : Vapor 0 ?, 1 atm, 1.976kg/m3 - Critical temperature : 32.0? - Critical pressure : 12.9 atm Usage - Digestive, Cryogen Coolant, Welding Product Purify - General...