factory direct TSPP
1.Characters:
Molecular formula: Na4P2O7
Molecular Weight: 265.9
Standard executed: HG/T2968-1999(Technical Grade)
GB8848-88(Food Grade)
CAS Number: 7722-88-5
EC NO:231-767-1
2.Specification:
| NO |
Specifications |
Industrial Grade |
FoodGrade |
| 1 |
Assay (as Na4P2O7 )%≥ |
96.5 |
96.5 |
| 2 |
P2O5 %≥ |
51.5 |
51.5 |
| 3 |
Ortho Phosphates |
Pass |
Pass |
| 4 |
PH Value |
9.9-10.7 |
9.9-10.7 |
| 5 |
Water Insoluble matter % ≤ |
0.2 |
0.2 |
| 6 |
Size (through 60mesh sieve) |
90% Min. |
90% |
| 7 |
L.O.I. % ≤ |
0.5 |
|
| 8 |
(As F)%≤ |
0.005 |
|
| 9 |
(As As)%≤ |
0.0003 |
|
3.Properties:
White powder; Soluble in water but insoluble in ethanol;
Relative density 2.45g/cm3 and melting point 890; Deliquescent in the open air.
Its aqueous solution shows weak alkalinity and is stable at 70 but will be hydrolyzed into di-sodium phosphate when boiled.
4.Uses:
1)Applied in industries of detergents as detergent auxiliary, paper production to bleach and
electroplating;
2)In food industry it is used as buffering agent, emulsifier, nutrition ingredients and quality improver.
5.Packing and storage:
In 25Kg /50kgs net bags.22MT/20'FCL
It must be stored in places well ventilated and dry.
