Tetrasodium Pyrophosphate ( Anhydrous & Decahydrate) Molecular Formula:Na4P2O7. CAS No:7758-29-4  

Tetrasodium Pyrophosphate Anhydrous & DecahydrateMolecular Formula Na 4 P 2 O 7 · nH 2 O (n 0 , 10) Molecular Weight : 265.90 n=0 , 446.06 n=10 Specification Industry Grade HG/T2968 1999 or customer's demandFood Grade HG2923 1999 FCC or customer's demand

Item	Value
	Industry Grade				Food Grade
	Na 4 P 2 O 7			Na 4 P 2 O 7 · 10H 2 O	Na 4 P 2 O 7	Na 4 P 2 O 7 · 10H 2 O
	Excellent	Grade 1	Grade 2
C o n t e n t , % ≥	97.5	96.5	95.5	98.0	96.5 100.5	98.0
Water-insoluble matter ≤	0.20			0.10	0.20	0.10
PH Value 10 g / L solution	9.9 10.7				9.9 10.7
Ortho-phosphates	pass				pass
Arsenic As , % ≤					0.0003
Heavy metals(Pb) , % ≤					0.001
Fluoride F , % ≤					0.005
Loss of ignition , % ≤					0.50	38.0 42.0

Usage Used as water-softener, boiler-scale remover, metal-ion complexer, and quality improver for tinned food and juice.Package 25Kg, 50Kg, 1,000kg bags or according to customer's demand.

Na4P2O7 TSPP Tetrasodium Pyrophosphate ( Anhydrous & Decahydrate) CAS No:7758-29-4