Tetra Sodium Pyrophosphate(TSPP),TSPP,Tetra Sodium Pyrophosphate(TSPP),HUTONG GLOBAL CO.,LTD

Tetra Sodium Pyrophosphate(TSPP)

Item : TSPP

Details :

Tetra Sodium Pyrophosphate(TSPP)

Tetra Sodium pyrophosphate
Molecular formula:Na₄P₂O₇
Molecular Weight:265.9
Standard executed:HG/T2968-1999(Technical Grade)
GB8848-88(Food Grade)
CAS Number:7722-88-5

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 .
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:
In double layer bags of 25Kg net. It must be stored in places well ventilated and dry.
Guaranteed Technical 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 % ≤	0.2	0.2
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. % ≤		0.5

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