High Purity 94% Sodium Tripolyphosphate STPP CAS 7758-29-4

Min.Order: 1

Product origin: Lianyungang, Jiangsu, China

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Complaint

US$ 800 ~ 900

Description

Chemical Name: Sodium Tripolyphosphate, Sodium Triphosphate
Molecular Formula: Na₅P₃O₁₀
Molecular Weight: 367.86
CAS: 7758-29-4
Character: 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.
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.
Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
Quality Standard: ( FCC-VII, E450(i))

Name of index	FCC-VII	E451(i)
Description	White, slightly hygroscopic granules or powder
Identification	Pass test
pH (1% solution)	--	9.1-10.2
Assay (drying basis), ≥%	85.0	85.0
P₂O₅ Content, ≥%	--	56.0-59.0
Solubility	--	Freely soluble in water. Insoluble in ethanol
Water insoluble, ≤%	0.1	0.1
Higher polyphosphates, , ≤%	--	1
Fluoride, ≤%	0.005	0.001(expressed as fluorine)
Loss on drying, ≤%	--	0.7(105ºC,1h)
As, ≤mg/mg	3	1
Cadmium, ≤mg/mg	--	1
Mercury, ≤mg/mg	--	1
Lead, ≤mg/mg	2	1