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Specifications

Chemical formula: NaH2PO4.2H2O
Molecular weight: 156.01
CAS NO.: 7558-80-7
Ref. Standard: HG/T2767-1996 (Industrial); HG2919-2000(Food grade)
production capacity:5000 t/a
Properties: NaH2PO4 is white powder, and melting point is at 190℃.NaH2PO4.2H2O is colorless crystal, relative density at 1.915, melting point at 57.4℃. All easily soluble in water, but not in organic solution.
Technical specifications:

 

No.
Index
Industrial grade
Food grade
1
Main content   %≥
98
98
2
P2O5  %≥
44.6
44.6
3
pH of 1% water solution
4.2-4.6
4.2-4.6
4
Water insoluble  %≤
0.1
0.05
5
Heavy metal, as Pb  %≤
-
0.001
6
Arsenic, as As  %≤
-
0.0003
7
Fluoride , as F %≤
-
0.002
Application: Used for water treatment of boiler, also as buffering agent to acidity, detergent, cleaning agent, dyeing flux, for tanning and electroplating, for food additive. It is mainly used as buffering agent, emulsification agent, nourishment agent, etc.
Packaging: packed in plastic woven bag with PE lining, 25kgs/bag. Stored in ventilated and dry place.