Food grade phosphoric acid 85% supplier
Qualify E338 identity, concentration, colour, chloride, sulfate, iron, arsenic, heavy metals and source-specific food documents.
Food grade ingredient · Acidulant, pH control agent and sequestrant · E338
Food grade phosphoric acid 85% is a concentrated aqueous solution of orthophosphoric acid used in permitted food processes for acidification, pH control, sequestration and related technical functions.
Share the application, critical limits, methods, quantity, packing and destination.

Direct product answer
Food grade phosphoric acid 85% is a concentrated aqueous solution of orthophosphoric acid used in permitted food processes for acidification, pH control, sequestration and related technical functions.
Commercial suitability depends on the exact formulation or source, current signed specification, intended function, complete food process and destination-market rules. A webpage is qualification guidance; the agreed specification and batch COA govern supply.
Buyer-intent guide
Use these qualification points when comparing a China supplier, manufacturer source, distributor offer, bulk quotation or sample.
Qualify E338 identity, concentration, colour, chloride, sulfate, iron, arsenic, heavy metals and source-specific food documents.
State annual demand, packing preference, pallets, destination port, Incoterm and required delivery window.
Provide beverage type, target pH and titratable acidity, mineral system, process and destination-market requirements.
Evaluate flavor impact, buffering demand, corrosion-compatible equipment, dosing accuracy and final-food compliance.
Application screening
These are screening areas, not universal approvals, dosage recommendations or guaranteed outcomes. Confirm legal use and performance in the finished food.
Can be evaluated for suitable cola-style, flavored or processed beverages after taste and pH trials.
May provide strong acidification in permitted sauces, processed foods and ingredient systems.
Can support mineral-ion management in compatible formulations and processing steps.
May be evaluated for pH adjustment or nutrient-system control where the process and regulations permit.
Supplied technical data
The table transcribes attachment 10 for procurement screening. It is not a batch COA or a statement of universal regulatory limits.
| Test item | Supplied reference |
|---|---|
| Appearance | Colorless, transparent syrupy liquid or very light color |
| Colour | ≤ 20 (method not stated) |
| Assay as H3PO4 | ≥ 85.0% |
| Chloride as Cl- | ≤ 0.0005% |
| Sulfate as SO4 2- | ≤ 0.003% |
| Iron (Fe) | ≤ 0.001% |
| Arsenic (As) | ≤ 0.0001% |
| Heavy metals as Pb | ≤ 0.001% |
| Oxidizable matter (source: “Oxidable matter as H3PO4”) | “No” in supplied sheet |
| Fluoride as F | “No” in supplied sheet |
Data note: Only the food-grade column from attachment 10 is shown. The source uses “no” for oxidizable matter and fluoride and does not state the colour method; these entries are preserved rather than converted into invented numerical limits. Confirm analytical definitions, methods and release criteria on the signed specification.
Technical selection
Confirm 85% w/w assay, density or concentration verification method and acceptable tolerance.
Use corrosion-resistant storage, transfer and dosing systems based on the current SDS and site assessment.
Do not substitute an industrial-grade specification; approve the exact food-grade source and current COA.
Set target pH and sensory endpoints through bench and plant trials rather than selecting a dosage from a generic webpage.
Qualification support
Request the current signed specification or TDS, SDS, methods, representative COA and batch COA.
Verify applicable food-safety, quality, Kosher, Halal and site documents for the exact grade and source.
Review the FAO/JECFA phosphoric acid specification, then apply destination-market rules to the exact finished food.
Storage and handling
Buyer questions
Food grade phosphoric acid 85% is a concentrated aqueous solution of orthophosphoric acid used in permitted food processes for acidification, pH control, sequestration and related technical functions. The current signed specification for the exact source governs supply.
Phosphoric Acid 85% is described here as 7664-38-2, 338 and H3PO4. For blends, each component must be declared and qualified separately.
Request the current signed specification, agreed analytical methods, SDS, representative COA and a current batch COA. Resolve any missing method, unit or acceptance criterion before approval.
Confirm drum, IBC or other approved packing. Confirm liner, palletization, marks, gross weight and container loading in the quotation.
Provide the application, target performance and limits, quantity, packing, destination market, certificates, Incoterm and requested delivery date.
Last reviewed 2026-07-25 by Bespring Chemical technical and export team.
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Specification-led sourcing
Share the application, target grade or formulation, limits, quantity, packing, destination and documents for a relevant bulk-supply proposal.