sodium pyrophosphate 1.competitive price 2.dilivery on time 3.In double layer bags of 25Kg net.
sodium pyrophosphate
Specifications
Tetra sodium pyrophosphate 1.Molecular Formula:Na4P2O7 2.Standard executed:HG/T2968-1999, HG/T2968-1988 3.Pass ISO9001-2008
Tetra Sodium pyrophosphate
1).Molecular formula: Na4P2O7
2).Molecular Weight: 265.9
3).Packing: 25kg woven bag
4).Volume/ 20FCL: 22MT
5).Payment term: L/C at sight or T/T (30% T/T in advance, 70% against the copy of B/L).
6).Standard executed: HG/T2968-1999(Technical Grade), GB8848-88(Food Grade)
7).Properties:
White powder; Soluble in water but insoluble in ethanol; Relative density 2.45 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 .
8).Usage
Applied in industries of detergents as detergent auxiliary, paper production to bleach and electroplating; In food industry it is used as buffering agent, emulsifier, nutrition ingredients and quality improver.
9).Specifications:
NO | Specifications | Industrial Grade | Food Grade |
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 % ≤ | 0.20 | 0.20 |
6 | Size (through 60mesh sieve) | 90 | 90 |
7 | Fluoride (as F) ≤ |
| 0.005 |
8 | Heavy Metals (as Pb) % ≤ |
| 0.001 |
9 | Arsenic (As)% ≤ |
| 0.0003 |
10 | L.O.I. % ≤ |
| 0.50 |
sodium acid pyrophosphate (SAPP) BP98 with high quality
