1, molecular formula: Na5P3O10
2, molecular weight: anhydrous 367.86
3, performance: This product is white powder, melting point of 622 degrees, soluble in water on metal ions Ca2+, Mg2+ has a very significant chelating capacity, with moisture absorption.
4, Usage: Used as. organizational improvement agent, pH buffer, removal of metal ions, for meat processing, processing of aquatic products, meat products and dairy processing water treating agent and so on. In the processing of meat, aquatic products processing, flour products as a texture modifier, with an increase in the effect of water retention in food.
5, Packing: Packed with polyethylene plastic bag as liner, and woven bag as the outer layer. The net weight of each bag is 25kg.

指标名称	Name of index		FCC-V	E451(i)
外观	Description		White, slightly hygroscopic granules or powder
鉴别试验	Identification		Pass test
pH值 1%水溶液	pH of a 1 % solution		--	9.1-10.2
含量(干基计)	Assay (drying basis)	≥%	85.0	85.0
P2O5含量	P2O5 Content	%	--	56.0-59.0
溶解性	Solubility		--	Freely soluble in water. Insoluble in ethanol
水不溶物	Water insoluble	≤%	0.1	0.1
高多磷酸盐	Higher polyphosphates	≤%	--	1
氟	Fluoride	≤%	0.005	0.001(expressed as fluorine)
干燥失重	Loss on drying	≤%	--	0.7(105℃,1h)
砷	As	≤mg/mg	3	1
镉	Cadmium	≤mg/mg	--	1
汞	Mercury	≤mg/mg	--	1
铅	Lead	≤mg/mg	2	1