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Di-Sodium hydrogen Phosphate (DSP)

Di-Sodium hydrogen 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: 7558-79-4(Anhydrous),10039-32-4(12H2O)
Properties:
White or colorless crystalline free flowing solid, efflorescent in air, easily soluble in water, but insoluble in alcohol, its water solution

Di-Sodium hydrogen 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: 7558-79-4(Anhydrous),10039-32-4(12H2O)
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-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, 50kg, 1000kg 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

97.0

97.0

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

0.10

0.10