Infor
CAS NO.：10039-32-4
Formula：Na₂HPO₄.12H₂O 
Molecular Weight ：358.0
Melting Point：34.6℃
Specific Gravity：1.63
Stability: efflorescent in air
Solubility: easily soluble in water, but insoluble in alcohol, its water solution is slightly alkaline

Specification：

Appearance	White or colorless crystalline free flowing solid
Content,	98.0 % min
P2O5	19.2% min
PH（1% water solution）	8.8-9.2
Fluoride（F）	0.05% max
Water-insoluble,	0.1% max

Package: in 25kg/500kg net bags
Usage: used as water softener of boiler, flame retardant of fabrics, wood and paper, detergent in production, galvanization, etc.