... mild odour Volatility (5 g substance, 1 hour at 150 °C, cylindrical crucible, 30 mm diameter, 40 mm high) less ... and proton active reagents of similar strength in the presence of suitable catalysts (acids, amines, metals,metallic salts) with hydrogen being released. ... the self-ignition temperature of H-siloxane is above 240 °C in the absence of reactive materials. Contact with porous or fibrous surfaces ...