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Sodium Tripolyphosphate STPP

Sodium Tripolyphosphate STPP

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    sodium tripolyphosphate stpp food grade


    sodium tripolyphosphate powder


    CAS 7758-29-4

  • Product Name
    Sodium Tripolyphosphate STPP
  • CAS No.
  • Molecular Formula
  • Molecular Weight
  • EC Number
  • Place of Origin
  • Brand Name
    Premium Ingredient
  • Certification
  • Minimum Order Quantity
  • Packaging Details
  • Delivery Time
    1-2 WEEKS
  • Payment Terms
    TT against copy of documents、L/C
  • Supply Ability

Sodium Tripolyphosphate STPP

Sodium Tripolyphosphate STPP

Products Description

Sodium triphosphate (STP), also sodium tripolyphosphate (STPP), or tripolyphosphate (TPP) is an inorganic compound with formula Na5P3O10. It is the sodium salt of the polyphosphate penta-anion, which is the conjugate base of triphosphoric acid. Mainly used in detergents and foods.


  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.

  1. In Food

STPP is a preservative for seafood, meats, poultry, and animal feeds. STPP is used as an emulsifier and to retain moisture in foods.

Chemical Name Sodium Tripolyphosphate
Synonyms Penta sodium Triphosphate
Molecular formula Na5P3O10
CAS NO. 7758-29-4
Main contents Na5P3O10 ≥85%
P2O5 56%-58%


Basic Info

Product Name: Sodium tripolyphosphate

Other Name: Triphosphoric acid,sodium salt (1:5)

CAS No.: 7758-29-4

Molecular Formula: H5O10P3.5Na


Molecular Weight: 367.86400

Exact Mass: 367.81900

EC Number: 618-452-8


ICSC Number: 1469

DSSTox ID: DTXSID9036307

Color/Form: White powder|Two crystalline forms of anhydrous salt (transition point 417 °C)

HScode: 2835319000

Categories: Emulsifier



PSA: 214.40000
XLogP3: 1.4964
Appearance: White powder
Density: 2.52 g/cm3
Melting Point: 622 °C
Water Solubility: H2O: 20 g/100 mL (20 ºC)
Storage Conditions: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture.
Vapor Pressure: <0.1 hPa (20 °C)
Toxicity: LD50 orally in rats: 6.50 g/kg (Smyth)
PH: Between 9,1 and 10,2 (1 % solution)


Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.


Conditions for safe storage, including any incompatibilities

Dry. Well closed.


food additives
Product name Cas No. Product name Cas No.
L-Tartaric Acid 87-69-4 Monosodium glutamate(MSG) 32221-81-1
DL-Malic Acid 617-48-1 xanthan gum 11138-66-2
L-malic acid 97-67-6 Sorbic Acid 110-44-1
Aspartame 22839-47-0 potassium sorbate 590-00-1
Saccharin sodium 128-44-9 CMC (Carboxymethyl cellulose)  
Citric acid anhydrous 77-92-9 MCC (Microcrystalline cellulose)  
Citric acid monohydrate 5949-29-1 CMC Calcium (carboxymethyl cellulose calcium)  
trisodium citrate dihydrate 6132-04-3 CMC Sodium (carboxymethyl cellulose sodium)  
tricalcium citrate Tetrahydrate 5785-44-4 Stevia 57817-89-7



Packing & Delivery

Sodium Tripolyphosphate STPP 0



Our Company

Sodium Tripolyphosphate STPP 1

Premium Ingredient Co., Ltd has been producing and distributing amino acids, vitamins, nutrition and food additives for decades, severing for more than 100 clients in the fields of food, beverage, diet supplements, cosmetic, pharmaceutical and animal feeding, exporting to dozens of countries. We supply these products only from the first class Chinese factories with over 10 years producing experiences.


With more than 10 years working experience, Premium Ingredient Co., Ltd offers not only quality products, but also good service, quick response, delivery in time, share up-to-the minute market information, supply one-stop-shop solutions.


We have established a long-term, extensive and deep cooperation with the source to ensure sufficient supplies, stable prices, and rapid shipment. Our 3rd party documents include ISO9001, ISO14001, HACCP, HALAL, KOSHER, GMP, FAMI-QS.


We expect you sending email or coming for negotiation.




Our Factory

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Sodium Tripolyphosphate STPP 4



Our Research

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Our Certifications

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Q: How long is your delivery time?

A: Generally it is 1-2 weeks..


Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.


Q: What's your MOQ ?

A: For the high value product, our MOQ starts from 25kg.


Q: Is there a discount ?

A: Yes, for larger quantity, we always support with better price.


Q: How to confirm the Product Quality before placing orders ?

A: Our products conforms to the internation standard, such as USP, CP, FCC. We can also send you the samples for test. After you confirmed the samples, we will move to the next step for cooperation.


Q: How to start orders or make payments ?

A: You can send our your Purchase order ( if your company has ), or just send a simple confirmation by email or by Trade Manager, and we will send you Proforma Invoice with our bank details for your confirmation, then you can make payment accordingly.


Q: How do you treat quality complaint ?

A: We tested each batch before delivery and only qualified product will be delivery, in case you find any problem about the quality when you received and tested, send email to us, and enclose the photo of the products and 3rd party test reports, We negotiate to resolve these issues, recall or exchange goods, or compensate.


Q: why we choose you ?

A : We ensure ingredient purity, on-time delivery, process efficiency and the technical documents you require.

(1) quality: meet even exceed what you expect.

(2) prices: competitive

(3) service: one stop shop solution, respond soon, delivery fast, share the market information, share the new application of the product.