Alliance Chemical phosphoric acid 5% food grade in single 1-quart white HDPE bottle with screw cap
Alliance Chemical phosphoric acid 5% food grade in two 1-quart HDPE bottles with white ribbed screw caps
Alliance Chemical phosphoric acid 5% food grade in four 1-quart HDPE bottles with white ribbed caps and purple labels
Alliance Chemical phosphoric acid 5% food grade in white 1-gallon HDPE jug with handle and purple label
Alliance Chemical phosphoric acid 5% food grade in eight 1-quart HDPE bottles with white screw caps and purple labels
Alliance Chemical Phosphoric Acid 5% Food Grade in two 1-gallon white HDPE jugs with handles and screw caps
Alliance Chemical phosphoric acid 5% food grade in four 5-gallon white HDPE jerry cans with screw caps and Alliance labels
Alliance Chemical Phosphoric Acid 5% Food Grade in blue 55-gallon HDPE drum with lid and bung
Alliance Chemical phosphoric acid 5% food grade in 275-gallon IBC tote with metal cage frame and bottom drain valve
Alliance Chemical 5% food grade phosphoric acid in 330-gallon white IBC tote with metal cage and bottom valve
Alliance Chemical 5% phosphoric acid food grade in white 5-gallon HDPE jerry can with top handle and screw cap
Alliance Chemical phosphoric acid 5% food grade in blue 15-gallon HDPE drum with white screw cap and handle
Alliance Chemical Phosphoric Acid 5% Food Grade in four 55-gallon blue HDPE drums with white screw caps and warning labels
Alliance Chemical phosphoric acid 5% food grade in four 1-gallon white HDPE jugs with handles and purple labels
Alliance Chemical phosphoric acid 5% food grade pallet of white 5-gallon HDPE jerry cans with screw caps stacked on wood pallet
Alliance Chemical phosphoric acid 5% food grade full pallet of branded cardboard cases stacked on wood pallet

Phosphoric Acid 5% Food Grade

$18.88
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Variation:

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Phosphoric Acid 5% Food Grade Current
Phosphoric Acid 75% USP Food Grade From $18.00 Phosphoric Acid 85% USP Food Grade From $20.90 Phosphoric Acid 10% Food Grade From $19.06 Phosphoric Acid 15% Food Grade From $19.26
Quantity
In Stock — ready to ship from our Taylor, TX warehouse Order by Mon-Thu 1 PM CT / Fri 12 PM CT — ships in 1–2 business days If it’s listed, it’s on our shelf. No backorders, no 4-week lead times. Why
Temporarily unavailable This item isn’t ready to ship right now. Call 512-365-6838 for restock timing.
  • No hazmat fees — hazmat ships at standard rates
  • Drums, totes & pails ship LTL freight — liftgate delivery available
  • PO / Net 30 for approved businesses · tax-exempt ordering supported
  • Documents: SDS · TDS · COA
Ask a question
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Customers who purchased Phosphoric Acid 5% Food Grade also bought:

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Two 1-quart HDPE bottles of Alliance Chemical Citric Acid 25% Solution with white ribbed caps and product labels
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$18.88
Quantity
In Stock — ready to ship from our Taylor, TX warehouse Order by Mon-Thu 1 PM CT / Fri 12 PM CT — ships in 1–2 business days If it’s listed, it’s on our shelf. No backorders, no 4-week lead times. Why
Temporarily unavailable This item isn’t ready to ship right now. Call 512-365-6838 for restock timing.
  • No hazmat fees — hazmat ships at standard rates
Ask a question
Customers Also Use

Customers who purchased Phosphoric Acid 5% Food Grade also bought:

One 1-quart plastic bottle of Alliance Chemical Citric Acid 25% Solution with a ribbed neck and a white screw cap.
Two 1-quart HDPE bottles of Alliance Chemical Citric Acid 25% Solution with white ribbed caps and product labels
Citric Acid 25% Solution
From $19.93
CAS: 77-92-9 C6H8O7
1-quart plastic bottle of Alliance Chemical Sulfuric Acid 50% - Electrolyte Grade with a ribbed screw cap and product label
Two 1-quart plastic bottles of Alliance Chemical Sulfuric Acid 50% - Electrolyte Grade with white caps and labels.
Sulfuric Acid 50% - Electrolyte Grade
From $29.70
CAS: 7664-93-9 H2O4S

Phosphoric Acid 5% Food Grade

$18.88
Alliance Chemical phosphoric acid 5% food grade in two 1-quart HDPE bottles with white ribbed screw caps
Alliance Chemical phosphoric acid 5% food grade in single 1-quart white HDPE bottle with screw cap
Alliance Chemical phosphoric acid 5% food grade in four 1-quart HDPE bottles with white ribbed caps and purple labels
Alliance Chemical phosphoric acid 5% food grade in white 1-gallon HDPE jug with handle and purple label
Alliance Chemical phosphoric acid 5% food grade in eight 1-quart HDPE bottles with white screw caps and purple labels
Alliance Chemical Phosphoric Acid 5% Food Grade in two 1-gallon white HDPE jugs with handles and screw caps
Alliance Chemical phosphoric acid 5% food grade in four 5-gallon white HDPE jerry cans with screw caps and Alliance labels
Alliance Chemical Phosphoric Acid 5% Food Grade in blue 55-gallon HDPE drum with lid and bung
Alliance Chemical phosphoric acid 5% food grade in 275-gallon IBC tote with metal cage frame and bottom drain valve
Alliance Chemical 5% food grade phosphoric acid in 330-gallon white IBC tote with metal cage and bottom valve
Alliance Chemical 5% phosphoric acid food grade in white 5-gallon HDPE jerry can with top handle and screw cap
Alliance Chemical phosphoric acid 5% food grade in blue 15-gallon HDPE drum with white screw cap and handle
Alliance Chemical Phosphoric Acid 5% Food Grade in four 55-gallon blue HDPE drums with white screw caps and warning labels
Alliance Chemical phosphoric acid 5% food grade in four 1-gallon white HDPE jugs with handles and purple labels
Alliance Chemical phosphoric acid 5% food grade pallet of white 5-gallon HDPE jerry cans with screw caps stacked on wood pallet
Alliance Chemical phosphoric acid 5% food grade full pallet of branded cardboard cases stacked on wood pallet

Product quick facts

CAS 7664-38-2H3O4PUN1805

Phosphoric Acid 5% Food Grade (CAS 7664-38-2) is a 5% Food Grade liquid with molecular formula H3O4P and a molecular weight of 97.995 g/mol, intended for applications that require a food-grade specification; verify suitability against the product COA and applicable regulations. It ships as DOT Hazard Class 8. Alliance Chemical supplies this product in 7 sizes from 1 Quart to 330 Gallon with 1-2 business day shipping from Taylor, TX on in-stock orders, plus SDS and lot-specific Certificate of Analysis.

  • Pack sizes 7 sizes (1 Quart to 330 Gallon)
  • Purity / spec 5% Food Grade
  • Lead time In-stock orders placed by Mon-Thu 1 PM CT / Fri 12 PM CT typically ship within 1-2 business days.
  • SDS / COA Download SDS; lot-specific COA available on request.
  • Regional availability View state-by-state shipping pages
Request Bulk Quote (512) 365-6838

Quick Answer

What is Phosphoric Acid 5% Food Grade used for, and what should buyers verify before ordering?

Phosphoric Acid 5% Food Grade is supplied at 5% in Food Grade with UN UN1805, DOT Class 8 . Buyers should confirm pack size, grade, SDS, COA needs, and freight requirements before purchase.

  • Assay: 5%
  • Grade: Food Grade
  • UN number: UN UN1805
  • DOT class: 8
  • Documents: SDS and lot-specific COA support
  • Shipping: UPS for small packs; LTL/FTL for pails, drums, totes, and bulk orders

Commercial Fulfillment Snapshot

Buy Phosphoric Acid 5% Food Grade with faster decisions and fewer back-and-forth emails.

In-stock orders placed before 1:00 PM CT (Mon-Thu) and before 12:00 PM CT (Fri) typically ship within 1-2 business days. Order online 24/7.

Get Bulk Quote → Call (512) 365-6838

Technical Documents

SDS EN SDS FR SDS ES SDS JA TDS COA

Live, always-current docs · lot-specific COA issued per shipment batch.

Who Buys This
  • Food & beverage processors
  • Commercial kitchen suppliers
  • Ingredient sourcing teams
  • Lab and QC buyers
Purity / Grade Guide
  • Food Grade for processing
  • Low-strength 5% concentration
  • COA included every order
  • SDS included every order
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
  • 275 Gallon: high-volume tote
  • 330 Gallon: max-volume tote
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.

Product Overview

Phosphoric Acid 5% Food Grade is a pre-diluted aqueous solution of phosphoric acid (H3PO4) prepared with high-purity deionized water. This 5% concentration provides a convenient, ready-to-use form that eliminates the need for on-site dilution of concentrated stock. Appearance: Clear, colorless liquid. Manufactured to food-grade quality standards, this product is suitable for food processing, beverage production, and other applications requiring food-safe materials.

Supplied by Alliance Chemical in sizes ranging from 1 quart to 330-gallon IBC totes, this solution is ideal for operations requiring consistent 5% strength with minimal handling risk compared to higher concentrations.

Key Properties

  • Chemical Name: Phosphoric Acid
  • Synonyms: Orthophosphoric Acid, H3PO4
  • Chemical Formula: H3PO4
  • CAS Number: 7664-38-2
  • Molecular Weight: 98 g/mol
  • Concentration: 5% (w/w)
  • Grade: Food
  • Specific Gravity (20°C): 1.028
  • Boiling Point: 158°C (85%)
  • Flash Point: N/A
  • Appearance: Clear, colorless liquid
  • Solubility: Fully miscible with water

Common Applications

  • Metal Treatment & Rust Removal: Converts iron oxide to iron phosphate, providing corrosion-resistant surface preparation for coatings.
  • Food & Beverage Processing: Acidulant and pH regulator used in carbonated beverages, dairy processing, and sugar refining.
  • Water Treatment: Controls scale formation and adjusts pH in cooling towers, boilers, and municipal water systems.
  • Fertilizer Production: Primary feedstock for manufacturing phosphate fertilizers and animal feed supplements.
  • Laboratory & Analytical: Used as a reagent in chromatography, titration, and buffer preparation.

Safety Precautions

Phosphoric Acid solutions are corrosive and can cause severe burns. Handle with appropriate PPE, including chemical-resistant gloves, splash goggles, and protective clothing. Use in well-ventilated areas to minimize vapor inhalation. Store in a cool, dry place in HDPE or glass containers away from bases and metals.

PPE Requirements: Wear acid-resistant gloves, safety goggles, and face shield when handling concentrated solutions. In case of skin contact, wash immediately with plenty of water. In case of eye contact, rinse continuously for at least 15 minutes. Refer to the Safety Data Sheet (SDS) for full emergency response procedures.

Shipping: UN 1805, Phosphoric acid solution, Class 8, PG III.

Benefits

Pre-Diluted Convenience: Ready-to-use concentration eliminates on-site dilution errors and reduces handling risk.
Consistent Purity: Manufactured to strict quality standards for reliable performance in critical applications.
Versatile Sizing: Available from quart bottles to IBC totes to support any scale of operation.

Related Products

Property Value
Molecular Weight 97.995
Formula H3O4P
Assay 5%
Grade Food Grade
Form Liquid
Solubility Fully miscible with water
Appearance Clear, colorless liquid
Melting Point 21°C (pure)
Boiling Point 158°C (85%)
Specific Gravity 1.028

Frequently Asked Questions About Phosphoric Acid 5% Food Grade

What is Phosphoric Acid 5% Food Grade and what is its chemical formula?
Phosphoric Acid 5% Food Grade is a chemical compound with the molecular formula H3O4P, registered under CAS Number 7664-38-2 by the Chemical Abstracts Service (PubChem), with a molecular weight of 97.995 g/mol. Alliance Chemical supplies Phosphoric Acid 5% Food Grade in Food Grade for laboratory, industrial, and commercial applications.
What are the physical properties of Phosphoric Acid 5% Food Grade?
As supplied by Alliance Chemical, Phosphoric Acid 5% Food Grade has a clear, colorless liquid appearance. It has a melting point of 21°C (pure), a boiling point of 158°C (85%), a flash point of N/A. The specific gravity is 1.028 relative to water. Solubility: Fully miscible with water.
What grade and purity of Phosphoric Acid 5% Food Grade does Alliance Chemical offer?
Alliance Chemical offers Phosphoric Acid 5% Food Grade in Food Grade with a purity assay of 5%. A lot-specific Certificate of Analysis (COA) is available for every shipment, and each product ships with a 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 5% Food Grade?
Phosphoric Acid 5% Food Grade has applications in laboratory research, manufacturing, and industrial processing.Alliance Chemical provides the documentation and quality certifications required for use in regulated environments.
What are the hazards of Phosphoric Acid 5% Food Grade and where do I find handling guidance?
Per its GHS classification (SDS Section 2), Phosphoric Acid 5% Food Grade carries the signal word Danger and the following hazard statements: H314 CAUSES SEVERE SKIN BURNS AND EYE DAMAGE. Product-specific first aid, fire-fighting, spill response, handling, storage, exposure controls/PPE, and disposal guidance are in SDS Sections 4-8 and 13 — always consult the SDS before use. Download the SDS.
What is the DOT shipping classification for Phosphoric Acid 5% Food Grade?
DOT Classification per 49 CFR 172.101:UN1805, Hazard Class 8, Packing Group III. Regulated shipments include hazmat shipping papers (49 CFR 172.200), UN specification packaging (49 CFR 173), and hazmat labels (172.400). Alliance Chemical ships all orders in DOT-compliant packaging with proper documentation.
How must Phosphoric Acid 5% Food Grade waste be disposed?
Disposal per RCRA (40 CFR 261-265): the waste characterization under 40 CFR 261 is the generator's responsibility — see SDS Section 13 for product-specific guidance. Generator requirements: EPA ID number required if >100 kg/month (40 CFR 262.12). Use an 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.
Does Alliance Chemical provide an SDS and COA for Phosphoric Acid 5% Food Grade?
Yes. Alliance Chemical provides a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for every lot of Phosphoric Acid 5% 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.

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