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Tripolyphosphate of Sodium CAS 7758-29-4

Molecular Formula: Na5O10P3

Formula Weight: 367.86

ZSpharmac: Tripolyphosphate of Sodium Supplement

Product Name: Tripolyphosphate of Sodium
CAS No: 7758-29-4
Purity: 99%

Basic Info

Product Name:Tripolyphosphate of Sodium
Other Names:Sodium Tripolyphosphate
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Inorganic Chemical Raw Materials
Appearance:White Powder/Solid
EINECS No.:231-838-7
Storage:Storage Temperature: No Restrictions.
Provide:Tripolyphosphate of Sodium MSDS;
Tripolyphosphate of Sodium COA

What is Tripolyphosphate of Sodium?

Tripolyphosphate of Sodium, additionally referred to as pentasodium phosphate, sodium pyrometaphosphate, STPP, pentasodium tripolyphosphate. White grainy crystal with excellent fluidness, family member molecular mass of 367.86, melting point of 622 ° C, quickly soluble in water, and its aqueous remedy is alkaline. Commonly used in food, as water retention representative, top quality improver, pH regulatory authority, metal chelating agent. The aqueous remedy of Tripolyphosphate of Salt is weakly alkaline (the pH value of 1% aqueous service has to do with 9.7). It develops a suspension (comparable to a solution) in water with a pH in the range of 4.3 to 14, that is, dispersion. Tripolyphosphate of Salt can also make liquid and also solid fragments better dissolved in liquid (such as water) medium, to ensure that the look of the service is entirely clear, like an actual option, which is the solubilization result. Due to the above special residential properties of salt tripolyphosphate, it has ended up being a vital ideal raw material in washing powder.

Tripolyphosphate of Sodium Properties:

Melting point 622 °C
density 2.52 g/cm3 (20℃)
vapor pressure <0.1 hPa (20 °C)
storage temp. Storage temperature: no restrictions.
solubility H2O: may be clear to slightly hazy
form Powder/Solid
color White
PH9.0-10.0 (25℃, 1% in H2O)
PH Range9.5 – 10.3 at 1 g/l at 20 °C
Water Solubility 20 g/100 mL (20 ºC)


Tripolyphosphate of Sodium Uses

  1. Tripolyphosphate of Sodium can enhance the tenderness of meat, and also can likewise be made use of as a food improver for fish items and a clarifying representative for drinks.
  2. Tripolyphosphate of Sodium is used in meat processing, synthetic cleaning agent formulation, fabric dyeing, as well as likewise made use of as dispersant, co-solvent, etc.
  3. Tripolyphosphate of Salt is utilized as a high-efficiency water softener for cooling down water treatment in power plant, rolling stock, central heating boilers as well as plant food plants. It has a solid capability to complex Ca2+, as well as can intricate 19.5 g calcium per 100g, and also as a result of the chelation and adsorption as well as diffusion of SHMP, it ruins the regular development procedure of calcium phosphate and also other crystals, and also stops the formation of calcium phosphate scale. The dose is 0.5 mg/L, as well as the scaling rate can reach 95% to 100%.
  4. Tripolyphosphate of Sodium is used as a tissue modifier; emulsifier; barrier; chelating agent; stabilizer. It is mainly made use of to soften canned ham; soften the bean skin in tinned wide beans. It can likewise be utilized as water conditioner, pH insurer and thickener.
  5. Tripolyphosphate of Sodium is used in soap home builders as well as to avoid oil as well as blooming in bar soaps. It has a strong emulsification effect on lubricating oil as well as fat, as well as can be made use of to readjust the pH value of barrier soap.
  6. Tripolyphosphate of Sodium is consequently boosting the communication as well as water holding capacity of food. my country states that it can be made use of in milk items, fish items, chicken items, gelato and also instantaneous noodles, with a maximum use of 5.0 g/kg; in canned food, fruit juice (flavored) drinks as well as veggie healthy protein drinks, the optimum usage quantity is 1.0 g/kg.

Production Method of Tripolyphosphate of Sodium

Recrystallization approach: Liquify industrial Tripolyphosphate of Sodium in water at 60-70 ° C, prepare an option of 17% -22%, as well as filter to get rid of insoluble impurities; after that vacuum focus, cooling crystallization, separation, as well as drying to get the item. The two-step thermal phosphoric acid technique utilizes edible soda ash to reduce the effects of a 50% to 60% option of food-grade thermal phosphoric acid in the neutralization storage tank. The neutralized fluid gets in the intermediate tank as well as is pumped to the spray drying out tower for spray drying out. The powder is sent out to a rotating polymerization heater, heated up to 540-580 ° C for dehydration polymerization, and also degenerated into powder after cooling in the air. Add ethanol to the liquid option of anhydrous, as well as hexahydrate can be precipitated. 5Na2CO3 +6 H3PO4 → 4Na2HPO4 +2 NaH2PO4 +5 WATER +5 CARBON DIOXIDE ↑ 4Na2HPO4 +2 NaH2PO4 → 2Na5P3O10 +4 H2O. Thermal phosphoric acid two-step approach Placed the phosphoric acid (55% ~ 60%) remedy into the stainless-steel neutralization container after metering, warm up as well as start the mixer, slowly include soda ash under mixing to carry out the neutralization reaction, and also keep 2 in the neutralization container. The ratio of particles of monobasic salt phosphate to 1 molecule of monobasic sodium phosphate. The reduced the effects of blended fluid enters the spray drying out tower through the high-level tank for drying, and also the dried orthophosphate completely dry material is released from the bottom of the tower and sent to the rotating polymerization heating system. Reuse. The dry orthophosphate is polymerized in a polymerization heating system at a temperature level of 350-450 ° C to generate Tripolyphosphate of Sodium, which is cooled and pulverized to get a completed product of Tripolyphosphate of Salt. 6H3PO4 +5 Na2CO3 → 4Na2HPO4 +2 NaH2PO4 +5 WATER +5 CARBON DIOXIDE ↑ 4Na2HPO4 +2 NaH2PO4 → 2Na5P3O10 +4 water wet phosphoric acid one-step technique reacts phosphorus mineral powder with sulfuric acid to get removed phosphoric acid, initial eliminate the fluorine silicon in the defluorination tank with soda ash acid, and afterwards make use of barium carbonate to eliminate sulfate in the desulfurization tank to decrease the sodium sulfate material in phosphoric acid. Then counteract with soda ash. A big quantity of contaminations such as iron and also aluminum are removed by filtration. After great change and filtering, the acquired option consisting of a particular percentage of disodium hydrogen phosphate as well as salt dihydrogen phosphate is focused in an evaporator to satisfy the needs of spray polymerization. The slurry is splashed right into a rotating polymerization furnace, dried and polymerized by hot air spraying. After cooling down, squashing as well as sieving, the completed product of Tripolyphosphate of Salt is gotten. Its Ca5F( PO4) 3 +5 H2SO4 +10 H2O → 3H3PO4 +5 CaSO4? 2H2O+ HF6H3PO4 +5 Na2CO3 → 4Na2HPO4 +2 NaH2PO4 +5 WATER +5 CARBON DIOXIDE ↑ 4Na2HPO4 +2 NaH2PO4 → 2Na5P3O10 +4 WATER.

Tripolyphosphate of Sodium Detergent Builder

Tripolyphosphate of Sodium is a cleaning agent builder with excellent efficiency, and also it is additionally the element with the largest quantity in the detergent manufacturing procedure. Its features have 4 elements:
1. Chelation of heavy metal ions: During the cleaning procedure, heavy metal ions in water can combine with detergent particles to develop insoluble steel salts, which minimizes the cleaning capability or perhaps totally loses its result. Consequently, a chelating agent that can transform heavy metal ions consisted of in water right into safe compounds must be contributed to the cleaning agent. Tripolyphosphate of Sodiumhas a strong chelating impact on heavy metal ions, which can secure them up and remove their unfavorable results on washing. In addition, it can record different metal elements contained in the dirt, play the duty of dissociating the dust throughout the washing process, as well as can be utilized as a soap synergist as well as stop the precipitation and also flowering of bar soap oil.
2. It has the functions of degumming, emulsifying and distributing dirt: dirt commonly consists of human secretions (primarily protein Chemicalbook and fatty materials), in addition to sand and dust from the outside world. Made use of to adjust the pH of barrier soaps.
3. It has the result of stopping jumble of cleaning agents: fine-grained synthetic detergents are hygroscopic. If they are kept in position with high humidity, agglomeration will happen. The caked detergent is exceptionally troublesome to use. The hexahydrate formed after Tripolyphosphate of Sodium takes in water has dry characteristics. When used in large quantities in detergent formulations, it can stop caking triggered by dampness absorption and maintain synthetic cleaning agents completely dry as well as granular.
4. It has a huge alkaline buffering effect, which maintains the pH value of the cleaning remedy at concerning 9.4, which is beneficial to the elimination of acidic dust.

Company Profile and Corporate Culture

Company Profile:

ZhiShang Chemical is owned by ZhiShang Group is a professional new-type chemicals enterprise combined into research and development, production and sales .

The company’s competitive product is pharmaceutical raw materials and intermediates (especially carbohydrate derivatives Series), In recent years, the company has made a major breakthrough in food and feed additives, plant extraction, industrial chemicals industry .

The company insists on the spirit of “sincere management, strict quality control, customer as god” , get consistent high praise from customers at home and abroad.

Corporate Culture:

Our Mission
Help China Chemicals to benefit the happiness of human life
Our Vission
Become the most trusted chemical supplier in the world
Our Business Philosophy
Striver – oriented, enrich employees, customer first, deep service, seek development
Our Values
Be prepared for danger in times of peace, forge ahead actively, unity and cooperation, and be brave to fight

About Us

The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. laboratory and workshop in strict accordance with the GMP standard and the product fit national ISO9001 and ISO2000 standards.

“Zhishang” products are exported to Europe, North and South America, the Middle East, Asia Pacific and Africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.

Company Info
  • Business Type: Manufacturer
  • Product Range: Additive , Chemical Auxiliary & Catalyst , Organic Chemicals
  • Products/Service: Organic Intermediate,Inorganic Chemistry, APIs, Dyestuffs And Pigments, Fragrance And Spices, Food Additives
  • Total Employees: 51~100
  • Capital (Million US $): 10000000RMB
  • Year Established: 2016
Production Capacity
  • No. of Production Lines : 8
  • No. of QC Staff : 5 -10 People
  • OEM Services Provided : yes
  • Factory Size (Sq.meters) : 3,000-5,000 square meters
  • Certificate: ISO9001 , CE , GMP , API , MSDS
  • Factory Location : Diao Town Industry Park, Zhangqiu City, Jinan City, Shandong Province, China.


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.


After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Do you accept sample order?

We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.



You can get free samples for some products,you only need to 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 manufacture the products according to your requests.

What’s your MOQ?

Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

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