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Food Grade STPP (Sodium Tripolyphosphate) for Emulsifying, Moisture Retention, and Acidity Control sourcing visualHuman review
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Food Grade STPP (Sodium Tripolyphosphate) for Emulsifying, Moisture Retention, and Acidity Control

Food-grade sodium tripolyphosphate (STPP) source for buyers checking CAS, formula, spec limits, packing formats, and export document readiness. Suitable for food processing applications where emulsification, moisture retention, and pH control are required, subject to destination-market rules and final COA review.

Quick buying facts

Identify the grade, package, and import market before comparing suppliers.

Use this page to check the product identity, common specification points, document scope, package notes, and destination-market questions before sending a China sourcing request.

CAS 7758-29-4Food additive / phosphate saltHuman review
Identity and grade

Typical specifications

  • CAS 7758-29-4
  • Formula Na5O10P3
  • EINECS 231-838-7
  • Food grade; standard cited as GB 1886.232-2016
  • Appearance: white to cream colored powder
  • P2O5: 56.0-58.0%
  • STPP content: min. 85%
  • Water-insoluble matter: max. 0.1%
  • Whiteness: min. 85%
  • Fluoride (as F): max. 50 ppm; confirm units on COA
  • pH: 9.5-10.0
  • Heavy metals (as Pb): ≤10 ppm
Who uses this page

Target buyers

  • Food ingredient importers
  • Wholesale chemical distributors
  • Beverage ingredient buyers
  • Meat and poultry processors
  • Canned food manufacturers
  • Dairy ingredient buyers
  • Aquatic processing suppliers
  • Soy beverage producers
Before matching

Documents to check

  • CAS number, grade, assay, and impurity profile
  • SDS, COA, TDS, HS code, and transport classification
  • Destination-market import documents before supplier matching
Package and route

Packing notes

  • Regular packing listed as 25 kg/bag
  • Also stated as 25 kg and 1,000 kg net in plastic woven bags with PE lining
  • Palletized and non-palletized container loading both appear in the source; confirm final load plan before booking
  • Source shows varying load figures; verify confirmed quantity per 20FCL
  • Store in a ventilated, dry place away from moisture and direct sunlight
  • For export, confirm carton/bag marking, pallet spec, and sealing requirements with the supplier
Applications and sourcing options

Check whether this product fits the buyer's actual application.

Clear application, grade, package, and document notes help separate real sourcing demand from a vague price check.

Use context

Common applications

  • Emulsification support in food processing
  • Moisture retention in meat products
  • Acidity control / pH adjustment
  • Water softening and chelation in processing systems
  • Canned foods and dairy formulations
  • Soy beverage and beverage processing
  • Aquatic product processing
  • Bean softening in canned products
How we compare

Sourcing options

  • Request sample before bulk order
  • Compare batch COA against your internal spec sheet
  • Order 25 kg bag packing for trial or distribution
  • Book full-container bulk supply after spec approval
  • Request palletized shipment for retail or warehouse receiving
  • Evaluate supplier certificate set before RFQ award
Human review

Compliance notes

  • Supplier page lists BRC, ISO, FDA, HACCP, and Halal certifications; request current copies before purchase
  • Ask for batch COA and compare against GB 1886.232-2016 and destination-market limits
  • Confirm whether an SDS, origin statement, and export packing list are available for shipment
  • HS code shown on page: 2835311000; verify with your customs broker
  • Do not assume DG or non-DG status from the page; confirm freight classification with the forwarder
  • Check label language, ingredient declaration, and food-use acceptance rules for the importing country
Buyer search paths

Related sourcing terms

These terms support long-tail discovery while keeping the page focused on useful product and China export buying context.

STPP supplier Chinasodium tripolyphosphatefood grade STPPCAS 7758-29-4phosphate food additivemoisture retention additiveacidity regulatorfood emulsifierGB 1886.232-2016tripolyphosphate supplier
RFQ questions before supplier matching

Turn this product into a quote request.

Share target market, quantity, packaging scope, artwork status, delivery destination, and required documents so CHN Chemicals can prepare a cleaner supplier comparison.

Questions to confirm
  • Can you share the latest COA for the offered batch?
  • Please confirm assay, P2O5, water-insoluble matter, pH, heavy metals, arsenic, fluoride, and whiteness on the current lot.
  • Is the product manufactured to GB 1886.232-2016, and what is the manufacturing date / shelf-life start date?
  • What packing options are available: 25 kg bags, 1,000 kg bags, palletized, or non-palletized?
  • What is the confirmed loading quantity per 20FCL for each packing format?
  • Can you provide current BRC, ISO, FDA, HACCP, and Halal certificates?
  • Which export documents are included with shipment: COA, SDS, invoice, packing list, and certificate of origin?
  • What is the MOQ, sample policy, and lead time for export orders?
Checks before quote
  • Supplier page lists BRC, ISO, FDA, HACCP, and Halal certifications; request current copies before purchase
  • Ask for batch COA and compare against GB 1886.232-2016 and destination-market limits
  • Confirm whether an SDS, origin statement, and export packing list are available for shipment
  • HS code shown on page: 2835311000; verify with your customs broker
  • Do not assume DG or non-DG status from the page; confirm freight classification with the forwarder
  • Check label language, ingredient declaration, and food-use acceptance rules for the importing country
Next step

Send the product page with your target quantity and market. A sourcing manager can then confirm sample options, supplier fit, packaging details, and open document gaps.