Package: packed in plastic woven bag with PE lining, 25kgs/bag

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, and etc.

Molecular Structure:

Product description:

Chemical formula: Na₂HPO₄·12H₂O
Molecular weight: 358.14
CAS NO.: 7558-79-4
Ref. Standard: HG/T2965-1997(Industrial grade); HG2920-2000(Food grade)
production capacity:5000 t/a
Properties: White or colorless crystal, efflorescent in air, easily soluble in water, but insoluble in alcohol, its water solution is slightly alkaline, relative density is 1.63, melting point is 34.6℃
Technical Specifications:

No.	Index	Industrial Grade	Food grade
1	Main content  %≥	98.0	98.0
2	P2O5   %≥	19.2	19.4
3	pH of 1% water solution	8.8-9.2	9.0-9.4
4	Chloride, as Cl % ≤	0.05	0.014
5	Sulfate, as SO4  % ≤	0.7	0.25
6	Heavy metal, as Pb % ≤	-	0.001
7	Arsenic, as As % ≤	0.005	0.0003
8	Fluoride, as F % ≤	0.05	0.002
9	Water insoluble % ≤	0.10	0.05

Applications: 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, and etc.