Tetrasodium pyrophosphate (TSPP)
article source： Release time：2021年08月18日
Molecular formula: Na4P2O7
Molecular Weight: 265.9
CAS No.: 7722-88-5
Properties:White powder; relative density 2.45 and melting point 890
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Uses: as detergent auxiliary, paper production to bleach and electroplating; In food industry as buffering agent, emulsifier, nutrition ingredients and quality improver.
Packing: Packed in 25 kg net WPP/PE bags.
Technical Specifications:
Specifications | Tech Grade | Food Grade |
Assay (as Na4P2O7 )%≥ | 96.5 | 96.5 |
P2O5 %≥ | 51.5 | 51.5 |
Ortho Phosphates | pass | pass |
PH Value | 9.9-10.7 | 9.9-10.7 |
Water Insoluble matter % ≤ | 0.2 | 0.2 |
Size (through 60mesh sieve) | 90 | 90 |
Fluoride (as F) ≤ | 0.005 | |
Heavy Metals (as Pb) % ≤ | 0.001 | |
Arsenic (As)% ≤ | 0.0003 | |
L.O.I. % ≤ | 0.5 |
