CAS No.: 10025-87-3
It is chromatic transparent smoking liquid with irritant smell. The relative density is 1.675; melting point 2℃.; boiling point 105.3℃. It shows red-yellow color as chlorine and phosphorous pentachloride dissolving in it. Opening in humid air, immediately hydrolysis to be phosphate and hydrochloride with white smoke. Decomposing and giving out lots of heat and hydrochloric acid gas meets water and alcohol. It抯 irritant and corrosive to eyes.