Sodium Tripolyphosphate (STPP) — Food Grade
Allzone Trading supplies food grade sodium tripolyphosphate (STPP) to meat, poultry and seafood processors in Ontario, Quebec and across Canada. STPP is used in brines and marinades for protein solubilisation, water binding and cook-yield retention. Granulation, solubility and grade are confirmed against supplier documentation at quotation.
At a glance
- Product
- Sodium Tripolyphosphate (STPP)
- Grades
- Food Grade
- Typical applications
- Meat and poultry brines, injection and marination · Processed and further-processed meat products · Seafood and shrimp processing
- Packaging
- Packaging confirmed at quotation
- • Certificate of Analysis is provided against the confirmed shipment, grade and batch.
- • Manufacturer TDS and SDS are subject to grade and supplier confirmation and are available on request.
- • Grades, packaging and origin above are indicative sourcing options and are confirmed at quotation.
Available grades from container-direct sourcing
Food Grade
Specification confirmed against supplier technical data sheet at quotation.
Typical applications
- Meat and poultry brines, injection and marination
- Processed and further-processed meat products
- Seafood and shrimp processing
- Blended phosphate systems for protein processing
- Prepared and ready meals containing protein components
Why Canadian buyers choose us
- Container-direct sourcing coordinated through our Ontario logistics partner
- Supplier documentation (TDS, SDS, COA) requested and shared before order confirmation
- Specifications confirmed in writing at quotation stage — no assumed values
- LTL and FTL freight across Ontario, Quebec and Western Canada
- Quantities reviewed per enquiry, from smaller lots to full container loads
Typical industries served
Material identity
Sodium tripolyphosphate (STPP) — identifiers and the names buyers use
- CAS
- 7758-29-4
- EC / EINECS
- 231-838-7
- Food additive number
- E451i / INS 451(i)
- Chemical formula
- Na5P3O10
Also searched as
Abbreviations
Industry terminology
Identifiers are published for material identification. The exact specification of any offered grade is confirmed against supplier documentation at quotation.
Buyer intent coverage
Sodium tripolyphosphate (STPP) — what it is, where it is used, how it is chosen
STPP is the dominant water-binding phosphate in protein processing: it raises pH and dissociates actomyosin, so muscle protein holds water through cooking and yields improve measurably. Prairie beef and pork plants, Ontario and Quebec poultry and further processors, and Atlantic and Pacific seafood operations are its main food users, while technical grades serve detergent and industrial buyers in the same corridor.
Primary uses
- Improving water binding and cook yield in meat, poultry and seafood
- Reducing purge and drip loss in packaged protein products
- Sequestering metal ions in industrial and cleaning systems
- Building detergent and cleaning formulations
Applications
- Injected, marinated and further-processed meat and poultry
- Seafood glazing and moisture retention
- Processed cheese and dairy systems
- Detergent and industrial cleaning powders
- Ceramic and pigment slurry dispersion
Advantages
- The most effective common phosphate for protein water binding
- Measurable yield improvement at permitted use levels
- Alkaline buffering supports colour and texture stability
- Available in food and technical grade families
Limitations to consider
- Permitted phosphate levels in finished product are regulated and enforced
- Poor cold-water dissolution unless the right form is chosen
- Excess use produces soapy notes and rubbery texture
- Phosphate discharge limits apply at many processing sites
How to choose the right grade
- Confirm the permitted phosphate level in the finished product first
- Choose the granulation and hydrate form for cold brine dissolution
- Consider a blended phosphate where solubility or pH must be tuned
- Match grade family to food or technical duty
Typical grades
- Food grade high-density
- Food grade low-density
- Granular brine-soluble grade
- Technical / detergent grade
Comparable materials — how Sodium tripolyphosphate (STPP) sits against alternatives
- Tetrasodium pyrophosphate — different pH and dissolution behaviour
- Sodium hexametaphosphate — sequestration-led performance
- Blended phosphate systems — tuned solubility and pH
- Non-phosphate yield systems — different labelling and performance
Comparable-material reference. Grade selection is confirmed at RFQ against your process.
Procurement coverage
How to specify, order and receive Sodium tripolyphosphate (STPP)
Written for procurement, quality and technical buyers in Canada and the United States. No numeric price, MOQ, stock or lead-time value is published — those are confirmed per shipment in the quotation and against the confirmed batch.
How buyers specify at RFQ
- P2O5 assay and phase (high or low temperature form)
- Solution pH and dissolution rate in cold brine
- Particle size and bulk density
- Heavy metals, fluoride and insolubles limits
- Grade family and documentation required
Packaging options (industry-standard)
- Multi-wall paper or PP bag — the standard dry-ingredient format
- Jumbo / FIBC bulk bag for high-volume users
- Fibre drum or carton for oxygen- or moisture-sensitive grades
- Packaging options and available pack sizes are confirmed with each quotation.
Storage & handling
- Store sealed, dry, off the floor and away from strong odours
- Keep food, feed and technical grades physically segregated
- Rotate stock and re-close partial bags immediately after use
- Prepare brines fresh and control solution age to limit hydrolysis
Documentation available
- Technical data sheet (TDS) for the exact grade offered
- Safety data sheet (SDS) in the format required for Canadian import
- Certificate of analysis (COA) against the confirmed production batch
- Allergen, non-GMO, Halal and Kosher statements where the grade supports them
- Documentation is confirmed per batch at quotation; availability depends on the grade and supplier offered.
RFQ checklist for sodium-tripolyphosphate-stpp-food-grade-canada
Include these fields to receive an accurate Canada-landed quotation
- Grade family and the end use it must be legal for (food, feed, technical)
- The specification parameters you actually control against, with test method
- Annual volume and expected per-shipment quantity
- Packaging format your plant can receive and handle
- Documentation and regulatory statements required per shipment
- Delivery province or port of discharge
- Protein system the phosphate must work in and the target yield
- Whether phosphate discharge limits apply at the site
- Cold brine dissolution requirement
Technical & procurement detail
Functional role of sodium tripolyphosphate (stpp)+
STPP raises pH away from the isoelectric point of muscle protein and sequesters divalent metal ions, which allows myofibrillar protein to swell and hold added water. The practical result in processing is improved brine uptake, cook yield and sliced texture.
STPP is not interchangeable with other phosphates+
Sodium tripolyphosphate, sodium acid pyrophosphate and tetrasodium pyrophosphate are chemically distinct salts with different pH behaviour, solubility and function. They are frequently used together in blends, but substituting one for another at the same dosage changes both pH and performance. Specify the salt your formulation actually calls for.
Granulation drives dissolution+
Coarse granular STPP dissolves more slowly than fine powder and behaves differently in cold brine make-up. Undissolved phosphate in an injection brine causes filter and needle problems, so state your brine temperature and mixing time and the appropriate granulation will be requested.
Documentation and specification+
Functional values differ between producers and grades. Allzone confirms the applicable grade with the supplier before quoting and shares the technical data sheet and safety data sheet for the exact material offered, so the values you evaluate are the values you receive.
Frequently asked questions
Do you supply blended phosphate systems?+
Blends are available from suppliers. State the function you need and the salts your formulation currently uses, and the matching product and documentation will be requested.
Is food grade documentation provided?+
The supplier technical data sheet and safety data sheet for the exact grade quoted are shared, and food grade suitability is confirmed with the supplier before quotation rather than assumed here.
What packaging is available?+
Packaging is confirmed with the supplier at quotation for the grade and quantity discussed.
Can I request a technical data sheet?+
Yes — the supplier technical data sheet and safety data sheet are shared for the exact grade quoted.
Can you deliver to Ontario and Quebec food plants?+
Yes. LTL and FTL freight is arranged across Ontario, Quebec and Western Canada, with container-direct supply for repeat volumes.
Technical knowledge for Sodium Tripolyphosphate STPP Food Grade — Canada
Engineering and purchasing guidance written for this material — understand it, apply it, compare options, specify a grade, and fix production problems.
Foundation Articles
Related products
Materials commonly quoted alongside Sodium Tripolyphosphate (STPP) by the same plants.
Sodium Hexametaphosphate (SHMP)
Threshold scale inhibition in water systems
Sodium Acid Pyrophosphate (SAPP)
Chemically leavened bakery products, cakes and pastry
Tetrasodium Pyrophosphate (TSPP)
Meat, poultry and seafood processing brines and blends
Need a quote on Sodium Tripolyphosphate (STPP)?
Request pricing, TDS/SDS and available documentation. We usually acknowledge enquiries within one business day; samples are subject to supplier availability and product classification.