... is high, is one of stablest organic compounds, when 900°C, with the copper, the nickel, the tungsten, the ... ,Odorless gasMolecular weight88.01Steam pressure13.33kPa(15.07°C)melting point -183.6°C dissolubilityinsoluble in waterboiling point-128.0°Cdensityrelative ... density (water =1)1.61(-130°C)StabilitysteadyDangerous lable5(non-flammable gas)Main useUsed to low temperature ...