CAS 7758-29-4
Sodium Tripolyphosphate
CAS 7758-29-4Na5P3O10367.86 g/mol
Sodium Tripolyphosphate (STPP) is primarily used as a builder in detergents due to its excellent chelating properties, which soften hard water by binding calcium and magnesium ions. This technical-grade white powder is a staple in industries like cleaning, water treatment, and food processing. In the food industry, it's often used as E451 to improve moisture retention and texture in processed meats. The compound's versatility extends to ceramics and textiles, where it acts as a dispersant and deflocculant, enhancing fluidity and stability in slips and suspensions.
Main applicationDetergent formulations — Chelates hardness ions to enhance cleaning efficiency
Sodium Tripolyphosphate is significant in various industries due to its capability to effectively bind hardness ions, thereby improving the efficiency of detergents and water treatment processes. This makes it indispensable in the manufacturing of cleaning products where water hardness can affect performance. Its multifunctionality extends to food processing, ceramics, and textiles, demonstrating its role as a versatile industrial additive.
Also known as
- STPP
- Pentasodium triphosphate
- Tripolyphosphate
Trade pricing
Quoted per enquiry
Pricing depends on volume, grade and delivery point. Our desk responds within two working hours.
Available packaging
- Available in 50 kg bags
Documentation
Batch-specific COA issued with every consignment.
Technical specifications
- CAS number
- 7758-29-4
- Chemical formula
- Na5P3O10
- Molecular weight
- 367.86 g/mol
- Grade
- Technical grade
- Appearance
- White odorless powder
- Density
- 0.7-0.9 g/cm³
- Concentration
- ≥94 %
Sodium Tripolyphosphate (Na5P3O10) has a molecular weight of 367.86 g/mol and is typically supplied as a white, odorless powder. In technical applications, its high chelating power allows it to effectively bind calcium and magnesium, crucial for softening water and enhancing detergent efficiency. STPP is available in different purity levels, often at 94%, suitable for various industry needs. When selecting STPP, considerations include the intended application, as its deflocculant properties in ceramics differ from its role as a water softener in detergents. Regular procurement specifies technical-grade parameters, ensuring it meets the specific requirements for industrial processes.
Delivery
Sodium Tripolyphosphate is dispatched from our Nairobi warehouse across Kenya, and export delivery is arranged to the wider East African market. Lead time depends on quantity and grade and is confirmed with your quotation — see delivery and collection for the towns we reach and how dispatch works.
Applications & uses
- Detergent formulations — Chelates hardness ions to enhance cleaning efficiency
- Water treatment — Scale inhibition and hardness ion sequestration
- Food processing — E451 additive for moisture retention and texture
- Ceramics — Dispersant and deflocculant for improved fluidity
- Textiles — Dyeing aid and processing enhancement
- Leather tanning — Masking agent in processing
- Paper and coatings — Imparts anti-corrosion properties
- Pigments — Dispersion and grinding aid
- Oil drilling — Used in mud formulations and viscosity control
Industries we supply this to
Why buy this from Sparks
- Reduces surfactant use in detergents by softening water
- Improves texture and yield in processed foods
- Enhances stability and fluidity in ceramic and pigment suspensions
- Positions as a multipurpose additive in industrial formulations
- Available in bulk packaging for industrial needs
- Contributes to effective resource utilization in cleaning processes
Quality assurance
- Batches are checked against the specification values listed above before dispatch.
State what your process, auditor or customs clearance requires when you request a quotation, and it is confirmed with the quote.
Safety, handling & storage
Always consult the full Safety Data Sheet before handling. Personnel must use appropriate PPE and follow local regulations for storage, transport and disposal.
Frequently asked questions
What is the CAS number of Sodium Tripolyphosphate?
The CAS registry number for Sodium Tripolyphosphate is 7758-29-4. Its chemical formula is Na5P3O10, with a molecular weight of 367.86 g/mol. Quote this number when requesting a quotation or checking documentation, as it identifies the substance unambiguously regardless of the trade name used.
What are the other names for Sodium Tripolyphosphate?
Sodium Tripolyphosphate is also referred to as STPP, Pentasodium triphosphate and Tripolyphosphate. These names describe the same substance, so a specification or enquiry written against any of them can be matched to this product.
What grade of Sodium Tripolyphosphate is supplied?
Sodium Tripolyphosphate is supplied as Technical grade. State the grade your process requires when requesting a quotation — where an alternative grade can be sourced, it is confirmed at quotation stage rather than assumed.
What concentration is Sodium Tripolyphosphate supplied at?
Sodium Tripolyphosphate is supplied at a concentration of ≥94%. Concentration and assay are separate figures: the concentration describes the strength of the material as supplied, and the certificate of analysis issued for your consignment carries the measured values for that batch.
What does Sodium Tripolyphosphate look like?
Sodium Tripolyphosphate is described as white odorless powder. Appearance is a useful first check on receipt of goods, though it does not replace the certificate of analysis for confirming that the material meets specification.
What is Sodium Tripolyphosphate used for?
Common applications include detergent formulations — Chelates hardness ions to enhance cleaning efficiency, water treatment — Scale inhibition and hardness ion sequestration, food processing — E451 additive for moisture retention and texture, ceramics — Dispersant and deflocculant for improved fluidity, textiles — Dyeing aid and processing enhancement and leather tanning — Masking agent in processing. The suitability of the product for a particular process depends on the grade and specification required, which is worth confirming against your own process conditions.
Which industries use Sodium Tripolyphosphate?
Sodium Tripolyphosphate is supplied to the Water Treatment, Food Processing & Beverage, Cleaning & Detergents, Paints, Coatings & Inks and Textile & Leather Tanning sectors. These are the industries this product is listed against in our catalogue; if your application falls outside them, we can advise on suitability before you order.
What packaging is Sodium Tripolyphosphate available in?
Available in 50 kg bags. Where a different pack size or bulk delivery is required, it is confirmed at quotation stage against availability rather than listed here as standard.
What is the HS code for Sodium Tripolyphosphate?
Sodium Tripolyphosphate is recorded against the EC number 231-838-7 and the HS customs code 28353100. Quote this on customs and export paperwork; it is confirmed again on the commercial invoice for your specific consignment.
Related to Sodium Tripolyphosphate
Where this product sits in the catalogue, and the sectors that use it.
References
Technical information on this page was compiled from the following published sources. Safety and handling data always comes from the supplier’s own safety data sheet.
- 1.ThermoFisher Scientific — Product Specificationassets.thermofisher.com
- 2.SodiumTripolyphosphatemsdsdigital.com
- 3.Sodium triphosphateen.wikipedia.org
- 4.Sodium Tripolyphosphate | Na5P3O10 | CID 24455 - PubChempubchem.ncbi.nlm.nih.gov
- 5.Sodium tripolyphosphate technical grade, 85 7758-29-4merckmillipore.com
- 6.Sodium Tripolyphosphatevestolit.com
- 7.Product Information Sheet Sodium Tripolyphosphatelidochem.com
- 8.STPP - Sodium Tripolyphosphate - Davar ChemTechdavarchemtech.com
- 9.Water Treatment Chemical Supply Chain Profile - Sodium Salts of Polyphosphatesepa.gov
- 10.News - Industrial grade sodium tripolyphosphate uses and application industriesaojinchem.com
- 11.Sodium Tripolyphosphate (STPP) - Finstar Industrial Chemicalsfinstarindustrialchemicals.co.ke
- 12.Sodium Tripolyphosphate (STPP) in East Africa - Zenco Systems Ltdzenithcoltd.com
- 13.Where can I buy STPP (sodium triphosphate) for meat juicifaction?reddit.com
- 14.Connect with Verified Sodium Tripolyphosphate Buyers in Kenya | Volzavolza.com
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