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Tetrasodium Pyrophosphate
1.Cas no.:7722-88-5
2.Anhydrous & Decahydrate
3.Industry Grade , Food grade
Tetrasodium Pyrophosphate
Tetrasodium Pyrophosphate Anhydrous & Decahydrate
MoLecular Formula Na 4 P 2 O 7 . nH 2 O (n 0 , 10)
Molecular Weight : 265.90 n=0 , 446.06 n=10
Specification
Industry Grade HG/T2968 1999 or customer's demand
Food Grade HG2923 1999 FCC or customer's demand
Item |
Value |
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Industry Grade |
Food Grade |
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Na 4 P 2 O 7 |
Na 4 P 2 O 7 . 10H 2 O |
Na 4 P 2 O 7 |
Na 4 P 2 O 7 . 10H 2 O |
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Excellent |
Grade 1 |
Grade 2 |
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C o n t e n t , % ≥ |
97.5 |
96.5 |
95.5 |
98.0 |
96.5- 100.5 |
98.0 |
Water-insoluble matter ≤ |
0.20 |
0.10 |
0.20 |
0.10 |
||
PH Value 10 g / l solution |
9.9- 10.7 |
9.9 -10.7 |
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Ortho-phosphates |
pass |
pass |
||||
Arsenic As , % ≤ |
|
0.0003 |
||||
Heavy metals(Pb) , % ≤ |
|
0.001 |
||||
Fluoride F , % ≤ |
|
0.005 |
||||
Loss of ignition , % ≤ |
|
0.50 |
38.0 42.0 |
Usage Used as water-softener, boiler-scale remover, metal-ion complexer, and quality improver for tinned food and juice.
Package 25Kg, 50Kg, 1,000kg bags or according to customer's demand.
Update Date:2011-2-24 20:15:23
CAS No.: 7722-88-5 | Place of Origin: China (Mainland) | Type: Other |