Salts & Minerals

Sodium Tripolyphosphate (STPP) Technical

White free-flowing powder / granules · CAS 7758-29-4

Test Report — Characteristics

Download Test Report (PDF)
Sodium Tripolyphosphate (STPP) Technical
CharacteristicsSpecifications
AppearanceWhite free-flowing powder
P2O5 Content56% – 58%
pH of 1% Solution9.0 – 10.0
Bulk Density0.9 – 1.2 g/ml
Water Insoluble Matter0.10% Max
Iron (Fe)0.03% Max
Moisture0.5% Max

Values above are well-established typical/standard specification properties for this product, compiled from published technical references — not a batch-specific lab report. Figures can vary batch to batch — request a current certificate of analysis with your order.

Applications

  • Detergent powder builder
  • Water treatment sequestrant
  • Ceramic and leather processing aid
  • Metal surface cleaning formulations

Frequently Asked Questions

What is Sodium Tripolyphosphate (STPP) Technical?

Sodium Tripolyphosphate (STPP) Technical is supplied by Suraj Chemicals as white free-flowing powder / granules, identified by CAS number 7758-29-4. It falls under our Salts & Minerals range — see the Test Report table above for its full characteristics.

What is Sodium Tripolyphosphate (STPP) Technical used for?

Typical applications include: Detergent powder builder; Water treatment sequestrant; Ceramic and leather processing aid; Metal surface cleaning formulations.

How should Sodium Tripolyphosphate (STPP) Technical be stored and handled?

Store in a dry, covered area — hygroscopic.

What packaging and pack sizes does Suraj Chemicals supply Sodium Tripolyphosphate (STPP) Technical in?

25/50 kg bags. Contact us if you need a different pack size, or a bulk/tanker quantity.

Is Sodium Tripolyphosphate (STPP) Technical hazardous to handle?

Yes — Sodium Tripolyphosphate (STPP) Technical is hygroscopic — it readily absorbs moisture, so keep packaging sealed. Follow the storage and handling guidance above, use appropriate PPE, and download the Safety Data Sheet (SDS/MSDS) in the sidebar above for full GHS hazard, handling and PPE details.

Is a Test Report, TDS or MSDS available for Sodium Tripolyphosphate (STPP) Technical?

Yes — a downloadable Test Report (PDF) with full characteristics, specifications and results is available above, and a downloadable Safety Data Sheet (SDS/MSDS) for Sodium Tripolyphosphate (STPP) Technical is also available above.

Can I get a sample or discuss order quantity for Sodium Tripolyphosphate (STPP) Technical?

Yes — use the Request Price & Availability button or WhatsApp us with your required quantity, and our team will confirm pricing, minimum order quantity, sample availability and delivery timelines for Sodium Tripolyphosphate (STPP) Technical.