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Sodium Trimetaphosphate STMP for foods

Sodium Trimetaphosphate STMP for foods

  • Cas No.
  • Place of Origin
  • Certification
  • Minimum Order Quantity
  • Packaging Details
  • Delivery Time
    1 WEEK
  • Payment Terms
    L/C, T/T
  • Supply Ability

Sodium Trimetaphosphate STMP for foods

Sodium Trimetaphosphate STMP for foods 

Molecular formula: Na3O9P3

CAS Number: 7785-84-4

EC Number: 232-088-3

HS Code: 2835299000

Molar mass 305.885 g/mol

Appearance: colorless or white crystals

Melting point: 53 °C (127 °F; 326 K) (hexahydrate, decomposes to anyhdrous)

Solubility in water: 22 g/100 mL

Solubility: insoluble in alcohol



White crystal powder, relative density at 2.54g/cm3, easily soluble in water, but not in alcohol



Sodium Trimetaphosphate (or STMP) is used in the starch industry and in the toothpaste.



Packing :25 kgs bag,1000kgs/ jumbo bag

Loading:25 kgs on pallet: 24MT/20’FCL; Un-palletized:25MT/20’FCL

Specifications Reference Standard
Sodium Trimetaphosphate(As(NaPO3)3 %≥ 99
PH (10g/L water solution) 6.0-9.0
Heavy Metal(As Pb)%≤ 0.001
Arsenic %≤ 0.0003
Fluoride %≤ 0.001
Water Insoluble %≤ 0.005
Basic Info
Product Name:

Sodium trimetaphosphate

Other Name:

Metaphosphoric acid (H3P3O9),sodium salt (1:3);Metaphosphoric acid (H3P3O9),trisodium salt;Sodium metaphosphate (Na3(P3O9));Sodium metaphosphate;Sodium trimetaphosphate;Sodium metaphosphate ((NaPO3)3);Trisodium metaphosphate;Trisodium trimetaphosphate (Na3P3O9);Trisodium trimetaphosphate;Cyclic sodium trimetaphosphate;Trimetaphosphoric acid (H3P3O9),trisodium salt;Sodium phosphate ((NaPO3)3);Trisodium cyclotriphosphate;Detoxol;Trisodium tricyclophosphate;STMP;Sodium phosphate (Na3P3O9);Sodium cyclotriphosphate (Na3P3O9);Polyrinsan 5B

CAS No.:


Molecular Formula:




Molecular Weight:


Exact Mass:


EC Number:












White crystalline powder

2.49 g/cm3



Soluble in water. Insoluble in alcohol.

Keep in a cool, dry location in a closed container.

Loses water on storage at 20 °C, becomes definitely anhydrous at 100 °C. /Hexahydrate/|Efflorescent, triclinic-rhombohedral prisms. Melting point 53 °C. Specific gravity 1.786. One gram dissolves in 4.5 ml water. Insol in alc. /Hexahydrate/


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

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.



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

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Our Company

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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 Trimetaphosphate STMP for foods 3

Sodium Trimetaphosphate STMP for foods 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.