Disodium phosphate

Disodium phosphate

  • Description

Product Name :Disodium phosphate

Chemical Name : sodium hydrogen phosphate

CAS No : 7558-79-4;10039-32-4

Details :

Disodium phosphate
CAS No: 7558-79-4 ;10039-32-4
Molecular formula: Na2HPO4. XH2O (X=0,12)
Molecular weight: 358.0
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 1.63, melting point at 34.6 .
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
 Na2HPO4 .12H2O
Industrial Grade
Food Grade
Industrial Grade
Food Grade
1
Main contents %≥
98.0
98.0
97.0
97.0
2
PH of 1% water solution
8.5-10.0
8.5-10.0
8.8-9.2
8.8-9.2
3
Sulfate, as SO4 %≤
0.7
0.25
4
Heavy metals, as Pb %≤
0.001
0.001
5
Arsenic, as As %≤
0.0003
0.0003
6
Fluoride, as F %≤
0.005
0.005
7
Water insoluble %≤
0.10
0.10
0.10
0.10

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