Sodium Tripolyphosphate (STPP) Technical
White free-flowing powder / granules · CAS 7758-29-4
DocumentsSpec sheet (PDF, 33 KB)Safety Data Sheet (PDF, 82 KB)
Overview
Sodium Tripolyphosphate, or STPP (CAS 7758-29-4, technical grade), is a white free-flowing powder or granule Suraj Chemicals supplies primarily as a detergent-powder builder, alongside use as a water-treatment sequestrant, a processing aid in ceramics and leather, and a component in metal-surface cleaning formulations. It's packed in 25/50 kg bags for detergent and formulation plants.
Specification Sheet — Characteristics
Download Specification Sheet (PDF)| Characteristics | Specifications |
|---|---|
| Appearance | White free-flowing powder |
| P2O5 Content | 56% – 58% |
| pH of 1% Solution | 9.0 – 10.0 |
| Bulk Density | 0.9 – 1.2 g/ml |
| Water Insoluble Matter | 0.10% Max |
| Iron (Fe) | 0.03% Max |
| Moisture | 0.5% 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.
Origin
- Imported – China
A certificate of analysis is supplied with every batch.
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 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 Specification Sheet table above for its full characteristics.
What is Sodium Tripolyphosphate 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 Technical be stored and handled?
Store in a dry, covered area — hygroscopic.
What packaging and pack sizes does Suraj Chemicals supply Sodium Tripolyphosphate Technical in?
25/50 kg bags. Contact us if you need a different pack size, or a bulk/tanker quantity.
What is the shelf life of Sodium Tripolyphosphate Technical?
Typically around 12 months from date of manufacture in original, unopened packaging, stored in a cool, dry place away from moisture. Extended exposure to humid air can affect this product's quality, so keep containers tightly resealed between uses and avoid part-used bags sitting open. As with any industrial chemical, request the current batch's manufacturing date and a fresh certificate of analysis for orders where exact remaining shelf life matters.
Is Sodium Tripolyphosphate Technical hazardous to handle?
The Safety Data Sheet for Sodium Tripolyphosphate Technical does not classify it as hazardous under GHS. It is still an industrial chemical, so use normal good practice — avoid unnecessary dust, skin and eye contact, store as advised above, and download the Safety Data Sheet (SDS/MSDS) in the sidebar above for full GHS hazard, handling and PPE details.
Is a Specification Sheet, TDS or MSDS available for Sodium Tripolyphosphate Technical?
Yes. a downloadable Specification Sheet (PDF) with full characteristics and specifications is available above, and a downloadable Safety Data Sheet (SDS/MSDS) for Sodium Tripolyphosphate Technical is also available above.
Can I get a sample or discuss order quantity for Sodium Tripolyphosphate 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 Technical.
Actual packaging as supplied by Suraj Chemicals
CAS Number
7758-29-4
Appearance
White free-flowing powder / granules
Packaging
25/50 kg bags
Storage & Handling
Store in a dry, covered area — hygroscopic.
Shelf Life
Typically around 12 months from date of manufacture in original, unopened packaging, stored in a cool, dry place away from moisture. Extended exposure to humid air can affect this product's quality, so keep containers tightly resealed between uses and avoid part-used bags sitting open. As with any industrial chemical, request the current batch's manufacturing date and a fresh certificate of analysis for orders where exact remaining shelf life matters.