WATER TREATMENT APPLICATIONS

Phosphoric Acid 75% USP Food Grade for Water Treatment

Industrial-grade phosphoric acid 75% usp food grade for water treatment operations. Quart to 275-gallon tote availability, COA with every order, 1-2 business day shipping from Taylor, Texas.

24 hr Ship time
COA Per order
20+ Years

Water treatment operations demand precise chemistry — and phosphoric acid is one of the most versatile tools in a treatment professional's inventory. Alliance Chemical supplies Phosphoric Acid 75% USP Grade (H3PO4 Solution) in a convenient 4-drum configuration, purpose-built for the throughput demands of municipal, commercial, and industrial water treatment facilities.

At 75% concentration, this solution delivers consistent performance for pH adjustment, corrosion control, and sequestration processes while remaining manageable for metering and dosing systems commonly used across the water treatment industry.

Appearance Clear, colorless to slightly yellow viscous liquid
Chemical Name Phosphoric Acid (Orthophosphoric Acid)
HandlingPPE RequiredOSHA Regulated
01

Why Water Treatment Professionals Choose Alliance Chemical

Consistent 75% Concentration

Lot-to-lot consistency backed by a Certificate of Analysis (COA) with every order — critical for calibrated dosing and regulatory reporting

4-Drum Pack Configuration

Reduces per-unit cost and ensures adequate supply between reorders for continuous treatment operations

Full Documentation

Every shipment includes a Safety Data Sheet (SDS) and COA, supporting your facility's compliance and recordkeeping requirements

Additional Sizing Available

Also available in quart, gallon, 5-gallon pail, single 55-gallon drum, and 275-gallon tote for pilot programs, bench testing, or high-volume operations

Reliable Fulfillment

Multiple distribution points keep lead times short, even for bulk and recurring orders

02

Common Water Treatment Applications

pH Adjustment and Control

— Used to lower pH in alkaline water systems, phosphoric acid provides stable, predictable acidification. Unlike hydrochloric or sulfuric acid, it introduces phosphate ions rather than chlorides or sulfates, which can be advantageous in certain treatment chemistries.

Corrosion Inhibition

— Phosphoric acid contributes to the formation of a thin, protective phosphate layer on metal surfaces within piping and distribution infrastructure. This passivation effect helps reduce iron and lead leaching in aging systems.

Scale Prevention and Mineral Sequestration

— Phosphate compounds derived from phosphoric acid bind with calcium, iron, and manganese ions, helping prevent scale buildup on heat exchangers, membranes, and distribution lines.

Boiler and Cooling Water Treatment

— In closed-loop and open recirculating systems, phosphoric acid-based treatments help maintain system efficiency by controlling deposits and managing water chemistry within target parameters.

Reverse Osmosis (RO) Membrane Cleaning

— Phosphoric acid solutions are commonly used in CIP (clean-in-place) protocols to remove inorganic fouling from RO membranes without damaging the membrane material.

Phosphoric Acid 75% plays a critical role across several water treatment processes:

03

Product Specifications

Property Detail
Chemical Name Phosphoric Acid (Orthophosphoric Acid)
Chemical Formula H3PO4
Concentration 75%
Appearance Clear, colorless to slightly yellow viscous liquid
Packaging 4 × 55-Gallon Drums
Documentation COA and SDS included
Also Available In Quart, Gallon, 5-Gal Pail, 55-Gal Drum, 275-Gal Tote
04

Handling, Storage, and Safety

Phosphoric acid is a strong acid that requires proper handling protocols in any water treatment environment. Facility operators should ensure the following:

  • Review the SDS thoroughly before introducing this product into your operation. The SDS contains hazard identification, first aid measures, and exposure controls specific to this concentration.
  • Personal Protective Equipment (PPE): At minimum, wear chemical-resistant gloves, splash-proof safety goggles, and a face shield during transfer and dosing operations. A chemical-resistant apron is recommended for drum handling.
  • Storage Requirements: Store drums in a cool, dry, well-ventilated area away from incompatible materials (strong bases, metals, oxidizers). Keep containers sealed when not actively dispensing.
  • Spill Response: Contain spills with inert absorbent material. Do not allow undiluted product to enter storm drains or waterways. Refer to SDS Section 6 for detailed spill procedures.
  • Regulatory Compliance: Follow all applicable OSHA, EPA, and local regulations governing the storage, handling, and use of corrosive chemicals in water treatment facilities.
Bulk Water Treatment Orders

Need a volume quote on Phosphoric Acid 75% USP Food Grade?

Quote within one business hour turnaround from Taylor, Texas. Drum and tote pricing, dedicated rep, COA on every lot.

Request Quote →
05

Ordering and Supply

Alliance Chemical serves water treatment operations of every scale — from small municipal systems to large industrial facilities. When you order Phosphoric Acid 75% in the 4-drum configuration, you benefit from:

  • Volume pricing that reflects the efficiency of multi-drum shipments
  • Recurring order programs for facilities with predictable consumption
  • Fast shipping from strategically located distribution centers
  • Technical support from a team that understands water treatment chemistry and can help with product selection

Need a different size or concentration? We carry a full line of phosphoric acid products and can help match the right configuration to your treatment process.

06

Documentation and Compliance Support

  • Certificate of Analysis (COA): Provided with every lot, documenting concentration, specific gravity, and key purity parameters
  • Safety Data Sheet (SDS): Current GHS-compliant SDS included with every shipment and available on request
07

Get a Quote

Ready to source Phosphoric Acid 75% for your water treatment facility? Contact Alliance Chemical for pricing on this 4-drum pack, bulk tote quantities, or scheduled delivery programs. Our team is available to answer technical questions and help you determine the right product configuration for your operation.

Get Pricing in One Business Hour

Bulk Phosphoric Acid 75% USP Food Grade for Water Treatment. Quote turnaround same business day.

Request Quote 512-365-6838 Mon–Fri 8am–5pm CT