Place of Origin : Chang Zhou,China

Properties: White crystals, very deliquescent, density 0.9g/cm3,mp. 580-585C, sublimation temperature 300C, vapor pressure 133.3Pa (384C). 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 irr