SICHUAN SUNDIA CHEMICAL LIMITED COMPANY--Tetra Sodium Pyrophosphate 96.5%(TSPP)

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Products

Name :

Tetra Sodium Pyrophosphate 96.5%(TSPP)

Content :

Molecular Formula:Na₄P₂O₇

Molecular Weight: 265.9
Standard executed: HG/T2968-1999(Technical Grade), HG/T2968-1988(Food Grade)
Capacity: 10,000t/a
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 .
Uses:
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.
Packing and storage:
Packed in 25 Kg, 50 Kg or 1000 Kg net bags. It must be stored in places well ventilated and dry.

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