Disodium Phosphate (DSP),China price supplier

 DiSodium Phosphate(DSP)
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 35a??
Uses:
Used as a fire-preventio 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 net bags, store at a cool ,dry and well ventilated place.
Guaranteed Technical Specifications:

No.
 Specifications
 Na2HPO4

(Anhydrous)
 Na2HPO4 .12H2O (Duohydrate)
 
Industrial Grade
 Food

Grade
 Industrial Grade
 Food

Grade
 
1
 Main contents %≥
 98.0
 98.0
 98.0
 98.0
 
2
 Phosphorus pentoxide,as P2O5
 49.0
 49.0
 19.2
 19.2
 
3
 PH of 1% water solution
 8.5-10.0
 8.5-10.0
 8.8-9.2
 8.8-9.2
 
4
 Chloride(as Cl)max%
 
 
 0.05
 0.014
 
5
 Sulfate, as SO4 %≤
 
 
 0.7
 0.25
 
6
 Heavy metals, as Pb %≤
 
 0.001
 
 0.001
 
7
 Arsenic, as As %≤
 
 0.0003
 0.005
 0.0003
 
8
 Fluoride, as F %≤
 
 0.005
 0.05
 0.005
 
9
 Water insoluble %≤
 0.10
 0.10
 0.05
 0.05