NaH2PO4 is white powder,melting point is 190°C; NaH2PO4. H2O is white powder or crystals, relative density is 2.040, melting point is 100°C; NaH2PO4.2H2O is white crystals, relative densityis 1.915, melting point is 57.4°C; All soluble in water easily, but not in organic solvent, and water absorbing easily in air.
Technical Specifications:
S/N.
SPECIFICATIONS
NaH2PO4.2H2O
INDUSTRIAL GRADE
FOOD GRADE
1
Main content
≥
98
98
2
Iron(as Fe)
≤
0.1
3
PH of 1% water solution
≤
4.2-4.8
4.2-4.6
4
Water insoluble
≤
0.1
0.2
5
Heave metals,as Pb
≤
0.01
0.001
6
Arsenic,as As
≤
0.005
0.0003
7
Basicity
≤
18.8-21.0
8
Chloride
≤
0.4
9
Sulfate
≤
0.5
10
Fluoride, as F
≤
0.005
11
NaH2PO4
≤
2
NaH2PO4.xH2O
%
10.0-15.0
NaH2PO4.2H2O
%
20.0-25.0
Use:
Used as antistaling agent for living things, dye printing for spinning and weaving and phosphatisation in eleotroplating; for the industry of food and feeding stuff, it is mainly used as buffer, emulsifier and nourishment and so on.
Packing
Plastic knit bag, Net weight 25kg or 50kg. Storage in ventilated and dry place.
