Properties: White powder or granule, apparent; Density: 0.35-0.90g/cm3, melting point: 622 degree; Easily dissolving in water; Water solution is alkaline; Can hydrolyze into phosphate in water, It's a kind of inorganic chemical surface-active agent, with two kinds of forms: Na5P3O10-I and Na5P3O10-II with the same chemical property.
| ITEM |
STANDARD |
| NA5P3O10 |
95% min |
| P2O5 |
56-58% |
| PH value (1% solution) |
9.5-10 |
| F |
30ppm max |
| As |
3ppm max |
| Heavy metal (as Pb) |
10ppm max |
| Water insoluble |
0.05% max |
| Bulk density |
0.7-0.85 g/ml |
| Whiteness |
85% min |
| Thru 20mesh |
90% min |
| Thru 100mesh |
45% min |
Products Description
| Index |
Content |
| Product name: |
sodium tripolyphosphate |
| Appearance: |
powder |
| Purity: |
94%min |
| CAS No: |
7758-29-4 |
| MF: |
Na5P3010 |
| Melting point: |
622 °C |
| Density: |
2.52 g/cm3 (20ºC) |
| Grade Standard: |
food grade, tech grade |
| Package: |
25kgs/plastic woven baq or 1000kgs/jumbo baq: 25-27mts perfcl without pallet |
| Usage: |
detergents,food preservative,tanning.filame retardants, paper, anticorrosion piqments, textiles, rubber manufacture.etc |
Sodium tripolyphosphate (stpp) classification code GBl5.003 INS451 (I).Chemical structure: this product is a kind of amorphous water-soluble linear polyphosphate, terminated by Na2 PO4 at both ends, chemical formula Na5P3 O10, relative molecular weight 367.86.Commonly used in food, as a water retention agent, quality improver, pH regulator, metal chelator.
Application Area
Industrial grade:
1.STPP used in detergent as assistant agent;
2.STPP as synergist for soap;
3.STPP serves as water softener;
4.STPP is an anning agent for leather making;
5.STPP being an auxiliary for dyeing;
6.STPPas an effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide,
calcium carbonate and drilling mud.
7.STPP also is an oil contamination resistance agent in paper production.
Food grade:
1.It's used as quality improver in the process of canned food, fruit juice drinks, foodstuffs from milk or soybeans;
2.STPP may tender the meat in canned ham and soften the skin of horse bean in canned horse bean;
3.STPP also serves as a softener or densifier in foodstuff industry.
Packing&Shipping
FAQ
Q1.What's the payment terms?
We could accept T/T, L/C, DP payment terms.
Q2.How about the different index of products in same application?
Specifications can be customized according to your application.
Q3.How about the samples of products?
We can provide free samples under 2Kg(not including freight charge).
Q4.How about the price of products?
Our products are chemical synthesis got from underground brine, which is available for a variety of usage. Our products are high purity with good quality, and the price is based on different specification and quantity.
Q5.What's the shelf life for the cargoes?
Our product's shelf life is 2 years, which is based on dry and ventilated storage.
Q6.What's the package of the cargoes?
20kg/25kg woven bags, within plastic bags, or as customized.
Q7.What's the delivery time?
We usually deliver the cargoes within 10~20 days after receiving customer's payment or original L/C.
Q8.Which documents can we supply?
Commercial Invoice, Packing List, Certificate of Analysis, Certificate of Origin (FORM E), Bill of Loading, ISO etc.
The documents will be sent by Express within 24 hours against your full payment.
Q9.Why do you choose us?
We accept safe and diversified payment terms.
We supply a price trend to ensure clients know marketing information in time. We will take charge of 100% responsibility for
quality issue. We strive to create value for each customer we serve by meeting their unique needs and providing solutions to solve their problems and achieve their objectives.
Audited Supplier 
){kind=link}