Tetra Sodium Pyrophosphate

Applied in industries of detergents as detergent auxiliary, paper production to bleach and electroplating; In food industry it i

Tetra Sodium Pyrophosphate(TSPP)

Byname:Tetra Sodium pyrophosphateMolecular formula:Na4P2O7Molecular Weight:265.9Standard 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:

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

Tetra Sodium Pyrophosphate