phosphorus pentoxide

详情

Uses:
Phosphorus pentoxide is usual material and reagent in chemical industry, this product is widely used in the industries of medicine, coating auxiliaries, printing and dyeing auxiliaries, anti static additive, titanate coupling agent, phosphorus oxychloride, chemical.
Mainly used in producing high purity phosphoric acid, used as desiccant of gas and liquid, dehydrant of organic synthesis.
Properties:
White crystals, very deliquescent, density 0.9g/cm3,mp. ******5oC, sublimation temperature **0oC, vapor pressure **3.3Pa (**4oC). May transform to amorphous from under elevated temperature and pressure. Readily absorbs moisture from. Exothermic hydrolysis by water to yield phosphoric acid.
Hazards Identification:
Non-flammable. Reacts vigorously with water and water-containing substances like wood or cotton, liberates much heat and may even cause fire. Corrosive to metal. Very irritating. May cause severe burn to eye, skin, mucosa and respiratory tract even at as low as 1mg/cm3.