2023 Hot Sales High Purity 94% STPP Sodium Tripolyphosphate of White Powder

• CAS No.: 7758-29-4
• Formula: Na5p3o10
• EINECS: 231-838-7
• Purity: 90%~99%
• Type: Sodium Tripolyphosphate
• Grade Standard: Industrial Grade
• Model NO.: 94%
• Name: STPP
• Transport Package: 25kg Bag
• Specification: STPP 94%
• Trademark: SG
• Origin: China
• HS Code: 2835311000
• Production Capacity: 2000tons/Month

Product Description

Product Description

Sodium tripolyphosphate,chemical structure this product is a kind of amorphous water-soluble linear polyphosphate,terminated with Na2P04 at both ends,chemical formula Na5P3010,relative molecular weight 367.86.It is often used in food as water retention agent quality improver,pH regulator and metal chelating agent.

 

Product Parameters

Characteristics	Unit	Standard Request
Main content	% (w/w)	95Min
Water Insoluble matter	% (w/w)	0.05 Max
P2O5	% (w/w)	56 Min
Heavy Metal (as Pb)	ppm	10 Max
pH value (1% aqueous solution)		9.5-10.0
Granularity (on 1.00mm sieve)	%	5.0 Max
SO4	% (w/w)	0.4Max
Whiteness	% (w/w)	85Min

Application

1.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.

 

FAQ

Q1: May I get sample before placing order?

Re: Yes, Sample are available. For small samples is free and you just need to bear the freight;

Q2: Which payment is available for your company?
Re: T/T, L/C at sight. You can choose the one which is convenient for you.

Q3: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier within 2 days(DHL, FedEx, TNT etc.)
For large quantity products, shipping by sea is worthwhile.It will cost days to weeks to come to your destination port, which depends on where the port is.

Q4: Is there any possible to use my appointed label or package?
Re: Yes. If needed, we'd like to use label or package according to your requirement.

Q5: How can you guarantee the goods you offer is qualified?
Re: 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 delivery for sure .