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Sodium Tripolyphosphate (STPP) – Manufacturer, Supplier & Exporter | DPRJ Universal

Last updated: 1 September 2026

Sodium Tripolyphosphate (STPP) - DPRJ Universal

What Is Sodium Tripolyphosphate (STPP)?

Sodium Tripolyphosphate (STPP) is supplied by DPRJ Universal as part of our extensive industrial chemical range. We are a trusted manufacturer, supplier and exporter of Sodium Tripolyphosphate (STPP) in India, offering consistent quality with technical documentation, including COA and SDS support, for pan-India delivery and export.

Looking to Buy Sodium Tripolyphosphate (STPP) in Bulk?

Get the best Sodium Tripolyphosphate (STPP) price in India directly from the supplier.

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Become a Sodium Tripolyphosphate (STPP) Distributor or Bulk Reseller

DPRJ Universal partners with regional distributors, stockists, and bulk resellers across India for Sodium Tripolyphosphate (STPP). We offer tiered reseller pricing, consistent stock availability, and dedicated logistics support so you can reliably supply your local market. Minimum order quantities apply for distributor-tier pricing.

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Price Range (Bulk)

₹75 - ₹130 per kg
Price valid until: 31 Dec 2027

Availability: In Stock for Bulk Orders

What Are the Technical Specifications of Sodium Tripolyphosphate?

  • Chemical Name: Sodium Tripolyphosphate (STPP)
  • CAS No.: 7758-29-4
  • Chemical Formula: Na5P3O10
  • Molecular Weight: 367.86 g/mol
  • Boiling Point: N/A (solid, decomposes on strong heating)
  • Appearance: White powder / granules
  • Packaging: 20 / 25 Kgs Bag
  • Origin: India

What Is Sodium Tripolyphosphate Used For?

  • Synthetic detergent builder/water softener
  • Water treatment formulations
  • Ceramic and glaze processing aid
  • Paint and pigment dispersant

SKU: STPP001

MPN: STPP-DPRJ-001

Category: Chemicals > Inorganic Phosphates > Sodium Tripolyphosphate

Brand: DPRJ Universal

Frequently Asked Questions

What is Sodium Tripolyphosphate (STPP) used for?

STPP is primarily used as a builder in synthetic detergents, a water softener, a dispersant in paints and pigments, and a processing aid in ceramics and water treatment.

What is the chemical formula of STPP?

Sodium Tripolyphosphate has the chemical formula Na5P3O10, with a molecular weight of approximately 367.86 g/mol.

What is the CAS number for STPP?

The CAS Registry Number for Sodium Tripolyphosphate is 7758-29-4.

What does STPP look like?

STPP is supplied as a white, free-flowing powder or granules.

How is STPP packaged for supply?

DPRJ Universal supplies STPP in 20/25 Kgs bags, with bulk export packaging available on request.

Is STPP hazardous to handle?

STPP dust can be mildly irritating to skin and eyes. Standard PPE is recommended during handling, in line with its Safety Data Sheet (SDS).

What role does STPP play in detergents?

STPP functions as a builder and water softener in detergents, binding hardness minerals such as calcium and magnesium to improve cleaning efficiency.

Is STPP soluble in water?

Yes, STPP is readily soluble in water, forming an alkaline solution.

Are there any restrictions on STPP use?

Some regions have reduced STPP use in consumer detergents due to phosphate and eutrophication concerns, though it remains widely used in industrial and institutional cleaning applications.

Do you offer Sodium Tripolyphosphate (STPP) supplier and distributor pricing?

Yes, DPRJ Universal offers dedicated supplier and distributor pricing tiers for Sodium Tripolyphosphate (STPP), along with consistent bulk availability across India.

Ready to Order Sodium Tripolyphosphate (STPP)?

Bulk orders, export supply, and custom packaging available. Speak directly with our sales team.

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Related Products

Application & Usage Synthetic Detergent, Water Treatment, Ceramic, Paint, Etc.
Packaging 20 / 25 Kgs Bag
HSN Code 28353100