China Food Grade Tspp Tetra Sodium Pyrophosphate in Water Treatment Chemical, Find details about China Tspp, Tetra Sodium Pyrophosphatephosphate from Food Grade Tspp Tetra Sodium Pyrophosphate in Water Treatment Chemical
1.Chemical Name: sodium pyrophosphate
2.Molecular Formula: Na4P2O7
3.Molecular Weight: 265.90
4.CAS: 7722-88-5 13472-36-1
5.Character: It's white crystalline powder. The relative density is 2.534 and melting point is 880ºC. It's easily soluble in water and insoluble in ethanol. It will weather in dry air and lose crystal water in 100ºC. It easily absorbs water to deliquesce in air.
6.Usage: It is used as quality improver, regulator of PH value, chelating agent, emulsifier and binder in food industry. It also can be used in the processing of baking powder and cheese.
7.Packing: It is packed with polythene bag as theinner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
8.Storage and Transport: It should be stored in a dry and ventilate warehouse, kept away from water and moisture during transport, unload with care as to avoid being damaged. Furthermore, it must be stored separately from poisonous substances.
Product Parameter
Test item | Specification |
Assay(Na4P2O7) % | 96.5-100.5 |
Water insoluble substances ≤% | 0.2 |
pH value(10g/L solution) | 9.9-10.7 |
Orthophosphate | Passes test |
Arsenic(As) ≤mg/kg | 3.0 |
Heavy metal(as Pb) ≤mg/kg | 10.0 |
Lead(as Pb) ≤mg/kg | 4.0 |
Fluoride(As F) ≤mg/kg | 50.0 |
Loss on ignition ≤% | 0.5 |
Package: