Phosphoric Acid 85% Food Grade

Category : Acids

$20.90
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Other Grades & Concentrations

Available in other grades and concentrations:

Phosphoric Acid 85% ACS Grade
From $28.71
CAS: 7664-38-2 H3PO4
Phosphoric Acid 75 ACS Grade
From $28.71
CAS: 7664-38-2 H3PO4
Phosphoric Acid 50% ACS Grade
From $21.38
CAS: 7664-38-2 H3PO4
Phosphoric Acid 45% ACS Grade
From $21.18
CAS: 7664-38-2 H3PO4
$20.90
Other Grades & Concentrations

Available in other grades and concentrations:

Phosphoric Acid 85% ACS Grade
From $28.71
CAS: 7664-38-2 H3PO4
Phosphoric Acid 75 ACS Grade
From $28.71
CAS: 7664-38-2 H3PO4
Phosphoric Acid 50% ACS Grade
From $21.38
CAS: 7664-38-2 H3PO4
Phosphoric Acid 45% ACS Grade
From $21.18
CAS: 7664-38-2 H3PO4

Phosphoric Acid 85% Food Grade

$20.90

Commercial Fulfillment Snapshot

Buy Phosphoric Acid 85% Food Grade with faster decisions and fewer back-and-forth emails.

Ships from Taylor, Texas. In-stock orders placed before 1:00 PM CT (Mon-Thu) and before 12:00 PM CT (Fri) typically ship same business day. Order online 24/7.

Technical Documents

Lot-specific COA is issued per shipment batch.

Who Buys This
  • Beverage manufacturers
  • Food processing companies
  • Commercial bakeries
  • Food equipment cleaning services
  • Agricultural fertilizer producers
Purity / Grade Guide
  • Food grade purity standards
  • Safe for beverage applications
  • 85% concentration for dilution
  • COA confirms heavy metals limits
Pack Sizes
  • 1 Quart: lab & small jobs
  • 1 Gallon: shop & maintenance
  • 5 Gallon: production & regular use
  • 15 Gallon: mid-volume operations
  • 55 Gallon: bulk drum
  • 250 Gallon: high-volume tote
SDS / COA / TDS
  • SDS with every order
  • COA showing 85% concentration verified by COA
  • UN 1805 Class 8 packaging
  • Food grade documentation included
Small Packs: UPS Ground nationwide for pints, quarts, and gallons.
LTL / FTL: ABF, SEFL, Saia, XPO, and partner carriers for pails, drums, totes, and full truckloads.
Support: Email or call for freight options, hazardous-material routing, and lead-time confirmation.

Why Phosphoric Acid 85% Food Grade

Phosphoric Acid 85% Food Grade provides the maximum standard commercial concentration alongside mandatory regulatory compliance for direct food contact and human consumption applications. This clear, pale yellow, translucent liquid (CAS 7664-38-2) delivers complete miscibility with water and polar solvents, allowing food processors and chemical manufacturers to execute exact pH adjustments and acidulation without introducing unwanted impurities. The 85% H3PO4 concentration represents a highly efficient bulk chemical formulation; procuring this dense, viscous liquid allows industrial buyers to minimize shipping weights and storage footprints while retaining the ability to dilute the acid precisely to match strict operational parameters. Furthermore, its excellent aqueous dissolution ensures rapid integration into existing liquid systems, preventing localized pH drops and ensuring uniform acidity during large-scale blending.

Best Applications for This Grade

  • Food processing acidulation, commonly applied in commercial beverage manufacturing and prepared food production to strictly control pH levels, prevent microbial growth, and define tartness profiles under required food-safe parameters.
  • Municipal and commercial water treatment operations, where the concentrated liquid delivers rapid pH reduction, alkalinity control, and scale mitigation through immediate aqueous dissolution into treatment tanks.
  • Agricultural nutrient formulation, functioning as a concentrated, pure liquid phosphorus source for specialized crop fertilizers and greenhouse hydroponic systems that require strict purity levels to avoid introducing heavy metal contaminants.
  • Chemical manufacturing, serving as a fundamental H3PO4 reagent for the large-scale synthesis of inorganic phosphates, industrial cleaning formulations, and specialized salts requiring complete polar solvent solubility.
  • Industrial processing and research environments, providing a highly concentrated acidic environment for controlled laboratory synthesis, targeted analytical testing, and specific extraction methods where an undiluted, water-miscible acid is critical.

When to Choose a Different Grade

  • If manufacturing specifications dictate a pre-diluted concentration while still requiring strict regulatory compliance for pharmaceutical or dietary formulations, select Phosphoric Acid 75% USP Food Grade.
  • If the facility operates within a laboratory environment that requires rigorous certification for precise analytical methodologies and standardized bench-scale research, evaluate Phosphoric Acid 75 ACS Grade.
  • If the system specifically demands ongoing pH stability and equilibrium rather than raw, concentrated acidulation, transition to pH-Ree Fall - World Class Buffering Solution For PH Stability Made From Phosphoric Acid.
Property Value
Molecular Weight 97.99
Formula H3PO4
Assay 85-86%
Grade Food Grade
Flash Point Not applicable
Form Liquid
Solubility Soluble in water
Appearance Colorless to slightly yellow viscous liquid
Melting Point 21
Boiling Point 158
Specific Gravity 1.685
Industry Food and Beverage, Food Processing, Food Manufacturing, Food Equipment Cleaning, Agriculture

Frequently Asked Questions About Phosphoric Acid 85% Food Grade

What is Phosphoric Acid 85% Food Grade and what is its chemical formula?
Phosphoric Acid 85% Food Grade is a chemical compound with the molecular formula H3PO4, registered under CAS Number 7664-38-2 by the Chemical Abstracts Service (PubChem), with a molecular weight of 98 g/mol. Alliance Chemical supplies Phosphoric Acid 85% Food Grade in Food Grade grade for laboratory, industrial, and commercial applications.
What are the physical properties of Phosphoric Acid 85% Food Grade?
According to the NIOSH Pocket Guide to Chemical Hazards, Phosphoric Acid 85% Food Grade is supplied as a clear viscous liquid, pale yellow, translucent. It has a melting point of 42°C (107.6°F)°C, a boiling point of 158°C (316.4°F)°C, a flash point of Not applicable. Solubility: Completely miscible with water, polar solvents; excellent aqueous dissolution.
What grade and purity of Phosphoric Acid 85% Food Grade does Alliance Chemical offer?
Alliance Chemical offers Phosphoric Acid 85% Food Grade in Food Grade grade with a purity assay of 85%. Every lot ships with a Certificate of Analysis (COA) and Safety Data Sheet (SDS) prepared in accordance with OSHA Hazard Communication Standard 29 CFR 1910.1200 and GHS Revision 7. Download SDS.
What are common industrial applications of Phosphoric Acid 85% Food Grade?
Phosphoric Acid 85% Food Grade serves a wide range of sectors, including Chemical Processing, Food & Agriculture, Industrial & Manufacturing, and Lab & Research.Alliance Chemical provides the documentation and quality certifications required for use in regulated environments.
What PPE is required when handling Phosphoric Acid 85% Food Grade?
OSHA-mandated PPE per 29 CFR 1910.132-138:Chemical-resistant gloves (20+ mil neoprene or PVC), full face shield over safety goggles (ANSI Z87.1), acid-resistant apron or chemical suit, closed-toe chemical-resistant footwear. Respiratory protection (organic vapor cartridge) required in areas exceeding PEL/TLV per 29 CFR 1910.134. Emergency eyewash station and safety shower must be accessible within 10 seconds per ANSI Z358.1. Consult the SDS available from Alliance Chemical for complete PPE requirements.
What are the storage requirements for Phosphoric Acid 85% Food Grade?
Store perOSHA 29 CFR 1910.106: Approved flammable storage cabinet, maximum 60 gallons per cabinet, grounding/bonding required. Temperature range:15-25°C. Segregate from:bases, reactive metals, organic materials. Maximum storage:2-3 years unopened.
What is the emergency spill procedure for Phosphoric Acid 85% Food Grade?
Emergency response per EPA SPCC (40 CFR 112) and OSHA 29 CFR 1910.120: (1) Alert personnel, evacuate area to 100 feet. (2) Eliminate ignition sources if flammable. (3) Don PPE per SDS Section 8. (4) Stop leak if safe; use emergency shutoffs. (5) Contain with non-combustible absorbent materials, dike with sand/earth. (6)Carefully neutralize with sodium bicarbonate (5-10% solution), monitor exothermic reaction. (7) Collect in DOT-approved containers, label as hazardous waste. Check 40 CFR 302.4 for Reportable Quantity. Emergency: Chemtel 1-800-255-3924 (24/7). Non-emergency: Alliance Chemical 512-365-6838.
What is the DOT shipping classification for Phosphoric Acid 85% Food Grade?
DOT Classification per 49 CFR 172.101:UN1805, Hazard Class8, Packing GroupIII. Requires: Hazmat shipping papers (49 CFR 172.200), UN specification packaging (49 CFR 173), hazmat labels (172.400). Alliance Chemical ships all orders in DOT-compliant packaging with proper documentation.
How must Phosphoric Acid 85% Food Grade waste be disposed?
Disposal per RCRA (40 CFR 261-265):Characteristic waste D002 (Corrosive, pH ≤2 or ≥12.5). Generator requirements: EPA ID number required if >100 kg/month (40 CFR 262.12). Use EPA-permitted Treatment, Storage, Disposal Facility (TSDF). Never discharge to sewer without POTW written approval (40 CFR 403). Container disposal: Triple rinse (40 CFR 261.7), offer for reconditioning/recycling. State regulations may be more stringent — check with your local environmental agency. Consult the Alliance Chemical SDS for product-specific disposal guidance.
Does Alliance Chemical provide an SDS and COA for Phosphoric Acid 85% Food Grade?
Yes. Alliance Chemical provides a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for every lot of Phosphoric Acid 85% Food Grade. The SDS is prepared in accordance with OSHA Hazard Communication Standard 29 CFR 1910.1200 and the Globally Harmonized System (GHS) Revision 7, covering all 16 required sections including hazard identification, first aid measures, firefighting measures, handling and storage, exposure controls, and regulatory information. The SDS is available for download directly from this product page. COAs are available upon request by contacting Alliance Chemical at 512-365-6838.