Specification :

Molecular formula: Na2HPO4.nH2O ( n= 0, 12)
Molecular weight: 358.0
Standard executed: HG/ T2965-2000( Industrial Grade)
HG2920-2000( Food Grade)
CAS Number: 7758-79-4
Properties:
White or colorless crystalline free flowing solid, efflorescent in air, easily soluble in water, but insoluble in alcohol, its water solution is slightly alkaline, relative density at 1.52 g/ cm3, melting point at 35
Uses:
Used as a fire-prevention agent for fabric, timber, and paper, also as water softening agent for boiler, food additive, buffering agent, solder, tanning agent, etc.
Packing and storage: In 25kg, 50kg, 1000kg net bags, store at a cool , dry and well ventilated place.
Specifications TechGrade Food Grade
Main contents % e 98.0 98.0 Phosphorus pentoxide, as P2O5 % e 49.0 49.0
PH of 1% water solution 8.5-10.0
8.5-10.0
Heavy metals, as Pb 10pm
Arsenic, as As 3ppm
Fluoride, as F 50ppm
Water insoluble % d 0.10 0.10