Sodium Trimetaphosphate (STMP) CAS No. 7785-84-4

Sodium Trimetaphosphate(STMP) CAS No.7785-84-4 is a white crystalline phosphate compound widely used in food processing, ceramics, water treatment, detergents, and adhesive formulations. It provides excellent chelating, dispersing, buffering, and stabilizing performance.

This product is available in multiple grades to support food, industrial, pharmaceutical, and specialty chemical applications.

1. Product Overview

  • Chemical Name: Sodium Trimetaphosphate

  • CAS Number: 7785-84-4

  • Molecular Formula: Na₃P₃O₉

  • Appearance: White crystalline powder

  • Purity: 95%–99% depending on grade

  • Solubility: Soluble in water

  • Shelf Life: 24 months under proper storage

Chemical formula: (NaPO3)3
Molecular weight: 305.89
Standard executed: HG/T 4515-2013/FCC
Properties: White powder or granular in appearance. Soluble in water, insoluble in organic solvents.
CAS No. 7785-84-4
Packaging and storage: In 25kg/50Lb kraft paper bags, 500kg/1000kg jumbo bags. Store in a cool, dry and well-ventilated area.

Applications of Sodium Trimetaphosphate

Sodium Trimetaphosphate is a versatile compound with diverse applications:

  1. Food Industry:

    • Starch Modifier: Enhances the texture and stability of processed foods like noodles, potato products, and sauces by modifying starch properties.

    • Sequestrant: Binds metal ions to improve shelf life and prevent discoloration in beverages and canned goods.

    • Texturizer: Improves moisture retention in meat and seafood products, ensuring better texture and quality.

  2. Industrial Uses:

    • Detergents: Acts as a water softener and stabilizer in cleaning formulations.

    • Ceramics and Paints: Used as a dispersant to improve consistency in coatings and ceramic slurries.

    • Paper Manufacturing: Enhances pulp processing and paper strength.

  3. Other Applications: Employed in water treatment and as a corrosion inhibitor in industrial processes.

Frequently Asked Questions (FAQs)

1. What is the main function of Sodium Trimetaphosphate?

It works as a chelator, dispersant, stabilizer, and pH buffer, improving performance in food, ceramic, detergent, and adhesive applications.

2. Is STMP safe for food applications?

Yes. Food-grade STMP meets international purity and heavy-metal standards. Certification can be provided according to customer requirements.

3. What grades do you supply?

We offer Food Grade, Industrial Grade, and Technical Grade, with customizable purity options such as 95%, 97%, and 98%.

4. Can you provide COA, MSDS, and technical data?

Yes. All supporting documents (COA, MSDS, TDS) are available upon request.

5. What packaging options do you offer?

Standard 25kg kraft bags, 500–1000kg jumbo bags, and customized private-label packaging.

6. Do you support OEM or contract manufacturing?

Yes. We can supply OEM packaging, custom specifications, and long-term contract shipments.

7. What is the usual lead time?

Typically 7–15 days, depending on order quantity and shipping schedule.