TEXTILE APPLICATIONS

Phosphoric Acid 75% USP Food Grade for Textile

Industrial-grade phosphoric acid 75% usp food grade for textile 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

Phosphoric acid is one of the most versatile mineral acids used in textile processing. At 75% concentration, this H3PO4 solution delivers the reactivity textile operations demand — from pH adjustment in dye baths to descaling production equipment — without the volatility of stronger mineral acids like hydrochloric or sulfuric acid.

This 4-drum bulk pack is built for operations that move through phosphoric acid at production scale. Each 55-gallon drum ships sealed and labeled, with full lot documentation available.

CAS 7664-38-2
Appearance Clear, colorless to slightly yellow liquid
Chemical Name Phosphoric Acid (Orthophosphoric Acid)
HandlingPPE RequiredOSHA Regulated
01

Why Textile Operations Rely on Phosphoric Acid

Phosphoric acid occupies a unique position in textile chemistry. As a triprotic acid, it buffers effectively across a wide pH range, making it especially useful in processes where precise acid control matters more than brute acidity. It is also less corrosive to stainless steel equipment than many comparable mineral acids, which reduces maintenance costs over time.

At 75% concentration, this solution provides a strong working strength while remaining pumpable and easy to dilute to the exact ratio your process requires.

02

Common Textile Applications

Dye Bath pH Control

Phosphoric acid is widely used to lower and stabilize pH in acid dyeing processes for nylon, wool, and silk fibers. Its buffering capacity helps maintain consistent dye uptake across production runs.

Equipment Descaling and Cleaning

Mineral deposits and scale buildup on boilers, heat exchangers, and wet-processing machinery are effectively dissolved with phosphoric acid solutions, helping maintain thermal efficiency and throughput.

Metal Surface Preparation

Textile machinery components, rollers, and frames benefit from phosphoric acid treatment to remove rust and oxide layers before coating or reassembly.

Flame-Retardant Finishing

Phosphorus-based chemistry plays a role in certain flame-retardant treatment formulations applied to fabrics during finishing stages.

Scouring and Pre-Treatment

Used in pre-treatment baths to remove metallic impurities and adjust fabric chemistry before dyeing or finishing steps.

Wastewater pH Adjustment

Textile effluent streams often require pH correction before discharge. Phosphoric acid provides a controlled, manageable approach to neutralization.

03

Product Specifications

Property Detail
Chemical Name Phosphoric Acid (Orthophosphoric Acid)
Formula H3PO4
Concentration 75%
CAS Number 7664-38-2
Appearance Clear, colorless to slightly yellow liquid
Specific Gravity ~1.58 at 25°C
Packaging (This SKU) 4 × 55-Gallon Drums
Documentation Certificate of Analysis (COA) and Safety Data Sheet (SDS) available

Full specifications and purity data are provided on the Certificate of Analysis (COA) for each lot.

04

Packaging Options

This listing is for a 4-drum bulk pack (4 × 55-gallon drums), ideal for textile facilities with steady consumption. Alliance Chemical also supplies Phosphoric Acid 75% in other sizes to match your operational scale:

  • Quart — bench-scale testing and lab use
  • Gallon — small-batch processing
  • 5-Gallon Pail — moderate production needs
  • 55-Gallon Drum — standard production supply
  • 275-Gallon Tote — high-volume operations
Bulk Textile 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.

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05

Handling and Storage Guidelines

Phosphoric acid at 75% concentration requires proper safety protocols. Before use in any textile process:

  • Read the SDS thoroughly — understand hazard classifications, first aid measures, and spill response procedures before opening any container
  • Wear appropriate PPE — chemical-resistant gloves, splash-proof goggles, and acid-resistant apron at minimum. A face shield is recommended during transfer and dilution
  • Store properly — keep drums in a cool, dry, well-ventilated area away from incompatible materials (strong bases, metals, oxidizers). Store on secondary containment to capture any leaks
  • Keep containers sealed — reseal drums tightly after each use to prevent contamination and moisture absorption
  • Dilute safely — always add acid to water, never water to acid. This prevents dangerous exothermic splashing
  • Follow all applicable regulations — comply with OSHA, EPA, and local requirements for chemical storage and handling in textile facilities
06

Why Alliance Chemical

Consistent Supply

We maintain inventory to support production schedules without gaps — critical for textile operations running continuous dye lines

Full Documentation

COA and SDS ship with every order. Additional lot documentation available on request

Bulk Pricing

The 4-drum pack offers volume savings. Contact us for larger recurring orders or custom delivery schedules

Fast Shipping

Multiple distribution points across the U.S. for reduced transit times

Technical Support

Our team can help with concentration selection, compatibility questions, and handling guidance

07

Order Phosphoric Acid 75% for Your Textile Operation

Whether you are running a dye house, a finishing plant, or a textile maintenance operation, Alliance Chemical delivers the phosphoric acid your process requires — properly packaged, fully documented, and shipped on schedule.

Contact us for pricing on this 4-drum pack, bulk quantity discounts, or to request a COA or SDS before you buy.

Get Pricing in One Business Hour

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

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