Phosphoric Acid, ACS Grade, Reagent Grade – H₃PO₄ | CAS 7664-38-2

Product Overview

Phosphoric acid is a colorless, odorless, and moderately strong inorganic acid. It is commonly encountered as an 85% aqueous solution and is widely used in industrial, laboratory, and food applications. As a phosphorus oxoacid, it contains one oxo and three hydroxy groups covalently bonded to a central phosphorus atom. It plays multiple roles as a solvent, a chemical reagent, and a metabolite, and serves as a key ingredient in fertilizers, food-grade acidulants, and chemical syntheses. Its low volatility and relatively low corrosiveness make it safer to handle than many other strong acids.

Key Industries

• Chemical Manufacturing – Intermediate for phosphate salts and industrial chemicals
• Food & Beverage – Used as a food-grade acidulant and flavoring agent (E338)
• Pharmaceuticals – Utilized in drug formulation and cleaning procedures
• Fertilizer Production – A core raw material in the manufacture of phosphate-based fertilizers
• Textile & Leather Processing – Employed in fabric finishing and tanning processes
• Cleaning Products – Found in descaling agents and industrial cleaners
• Water Treatment – Helps control pH and reduce corrosion in water systems
• Metallurgy – Used in metal surface treatment and pickling solutions
• Laboratory & Research – Common acid in buffers, reagents, and sample prep

Packaging Options

This product is available in a variety of packaging sizes to meet both small-scale laboratory and large-scale industrial needs. Custom volumes and container types are available upon request, ensuring flexibility for your application and storage requirements.