Origin |
China |
CAS No. |
7722-88-5 |
CAS No.: 7722-88-5
HS code: 2835390000
Molecular Formula: Na4P2O7
Molecular Weightï¼ÂÂÂÂÂÂÂÂÂ265.9
Properties: White powder, easily soluble in water, relative density is 2.45, melting point is 890 o C, its water solution is alkaline, PH value of 1% water solution is 9.9-10.7
Application: Mainly used as detergent in washing, bleach in paper-making, electroplating, etc. For food grade it is mainly used as food additive. Buffering agent, emulsification agent, and nourishment, and modifying agent, etc.
Packing: Plastic-woven sack with polythene inner bag; Net weight: 25kg, 50kg or 1000kg; Stored in ventilated and dry place.
|
No
|
Specifications
|
Industrial grade
|
Food grade
|
|
1
|
Main content, %≥
|
96.5
|
96.5
|
|
2
|
P 2 O 5, %≥
|
51.5
|
51.5
|
|
3
|
Phosphate
|
Qualified
|
Qualified
|
|
4
|
pH of 1% water solution
|
9.9-10.7
|
9.9-10.7
|
|
5
|
Sieve test(Through60mesh) , %≥
|
90
|
90
|
|
6
|
Heavy metal, as Pb %≤
|
-
|
0.001
|
|
7
|
Arsenic, as As , %≤
|
-
|
0.0003
|
|
8
|
Fluoride, as F, %≤
|
-
|
0.005
|
|
9
|
Water insoluble , %≤
|
0.2
|
0.2
|
|