94% Sodium Tripolyphosphate STPP CAS 7758-29-4

Product Description

Product DescriptionSodium Tripolyphosphate STPPWhite powder or granular; Easily soluble in water;It has got salient chelating capacity to Ca and Mg ions.and can soften hard water to make suspension solution become into clear solution;It has got weak alkalinity but no corrosiveness. It is a surfactant, and has got outstanding emulsification to lubricants and fat.
Product Parameters

Index	Standard
Purity(Na5P3O10) by wt %	94.0 min
P2O5 by wt %	56.5 min
Pyrophosphate (Na4P2O7) by wt %	4.0 max
Orthophosphate and Metaphosphate by wt %	2.0 max
Iron content (as Fe) by wt %	0.01 max
Water Insoluble by wt %	0.10 max
Bulk Density by g/ml	0.9~1.15
Phase I by wt %	15~40
Whiteness %	85 min
PH value (1% solution)	9.2~10.3
Particle Size (100mesh pass by wt %)	95 min

Application1.In detergents
The majority of STPP is consumed as a component of commercial detergents.It serves as a "builder," industrial jargon for a water softener. In hard water (water that contains high concentrations of Mg2+ and Ca2+), detergents are deactivated. Being a highly chargedchelating agent, TPP5- binds to dications tightly and prevents them from interfering with the sulfonate detergent.
2.Food Applications
STPP is a preservative for seafood, meats, poultry, and animal feeds.It is common in food production as E number E451. In foods, STPP is used as an emulsifier and to retain moisture. Many governments regulate the quantities allowed in foods, as it can substantially increase the sale weight of seafood in particular. The UnitedStates Food and Drug Administration lists STPP as "generally recognized as safe.".
3.Other Uses
Other uses (hundreds of thousands of tons/year) include "ceramics, leather tanning(as masking agent and synthetic tanning agent - SYNTAN), anticaking, setting retarders, flame retardants, paper, anticorrosion pigments, textiles, rubber manufacture, fermentation, antifreeze.
Packaging & Shipping
Packing:It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer or kraft paper bags.The net weight of each bag is 25kg/50kg/1000kg jumbo bag.Shipping:25KG/BAG*40 BAGS in one pallet,25 tons full contatiner in pallet,27 tons full container in bulk.
FAQQ1.How can I get samples?A: You can contact us and then we arrange samples for you.Q2.Which kind of payment terms can you accept?A:We accept L/C,T/T and other payment terms.Q3: How to confirm the Product Quality before placing the order?
A: You can get free samples for the product that you need only pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will arrange other things well.Q4:What's your MOQ ?
A:Our MOQ is 100kg .Q5: Is there any possible to use my appointed label or package?A: Yes.If needed,we'd like to use your label or package according to your requirement.Q6: How can you guarantee the goods you offer is qualified?A: We always believe honesty and responsibility are basis of one company,so whatever products we provide for you all are qualified.We will have goods tested and provide COA before arrange delivery for you.

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