Chemical propertiesMelting point :318.4℃
Boiling point :1390℃
The realative density of 2.13
Solubility: soluble in water ethanol glycerol, insoluble in acetone
Stability: stability
Appearance and properties: white opaque solid, easy to deliquescence
(alkaline corrosion product) : It is used for oil refining, paper making, rayon dyeing, leather making, medicine, organic synthesis, etc