Disodium Phosphate (DSP)
White crystalline powder or granules · CAS 7558-79-4
Overview
Disodium Phosphate (DSP) (CAS 7558-79-4) is one of the salts & minerals products Suraj Chemicals supplies to industrial, institutional and manufacturing buyers across India from our Chennai base. It is commonly used for buffering/emulsifying agent in processed cheese and dairy products (e339); boiler-water treatment and scale-control formulations; detergent and textile-processing builder, among other applications in the salts & minerals category. We pack Disodium Phosphate (DSP) in 25/50 kg bags, and can arrange bulk, drum or tanker quantities for larger requirements — full characteristics, applications and downloadable documentation are below, or you can request a quote directly.
Specification Sheet — Characteristics
Download Specification Sheet (PDF)| Characteristics | Specifications |
|---|---|
| Assay (Na2HPO4, Anhydrous Basis) | 98% Min |
| P2O5 Content | 28 – 32% |
| pH (1% Solution) | 8.8 – 9.4 |
| Moisture | 1% Max |
| Heavy Metals (as Pb) | 10 ppm 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
- Buffering/emulsifying agent in processed cheese and dairy products (E339)
- Boiler-water treatment and scale-control formulations
- Detergent and textile-processing builder
- Food-processing pH control
Frequently Asked Questions
What is Disodium Phosphate (DSP)?
Disodium Phosphate (DSP) is supplied by Suraj Chemicals as white crystalline powder or granules, identified by CAS number 7558-79-4. It falls under our Salts & Minerals range — see the Specification Sheet table above for its full characteristics.
What is Disodium Phosphate (DSP) used for?
Typical applications include: Buffering/emulsifying agent in processed cheese and dairy products (E339); Boiler-water treatment and scale-control formulations; Detergent and textile-processing builder; Food-processing pH control.
How should Disodium Phosphate (DSP) be stored and handled?
Store in a dry, covered area.
What packaging and pack sizes does Suraj Chemicals supply Disodium Phosphate (DSP) 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 Disodium Phosphate (DSP)?
Typically around 24 months from date of manufacture when stored in original, unopened packaging under normal warehouse conditions, consistent with standard industry practice for this class of chemical. 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 Disodium Phosphate (DSP) hazardous to handle?
No specific hazard is flagged for Disodium Phosphate (DSP) beyond standard industrial chemical handling precautions. We still recommend you download the Safety Data Sheet (SDS/MSDS) in the sidebar above for full GHS hazard, handling and PPE details, as good practice for any industrial chemical.
Is a Specification Sheet, TDS or MSDS available for Disodium Phosphate (DSP)?
Yes — a downloadable Specification Sheet (PDF) with full characteristics and specifications is available above, and a downloadable Safety Data Sheet (SDS/MSDS) for Disodium Phosphate (DSP) is also available above.
Can I get a sample or discuss order quantity for Disodium Phosphate (DSP)?
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 Disodium Phosphate (DSP).