Buy phosphoric acid (H3PO4, CAS 7664-38-2) from Alliance Chemical in 75% and 85% concentrations. Phosphoric acid is a non-oxidizing mineral acid used for food and beverage acidulation, rust conversion, metal treatment, pH adjustment, cleaning, and industrial process chemistry.
Products In This Collection
This collection includes phosphoric acid 75% and 85% products in food, USP, and technical grades where available. Food and USP grades support regulated formulation or processing needs, while technical grades support industrial cleaning, metal treatment, scale removal, and process pH control.
Common Applications
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Rust removal and metal treatment: Phosphoric acid converts iron oxide and supports compatible metal surface preparation before coating, cleaning, or inspection.
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Food and beverage processing: Food-grade phosphoric acid is used for acidulation and pH control where the process requires a compliant food or USP grade.
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Agriculture and nutrient workflows: Phosphoric acid can support pH adjustment and phosphorus-related process needs in agriculture and horticulture applications.
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Cleaning and descaling: Its non-oxidizing acid profile makes phosphoric acid useful for compatible scale removal, CIP support, and industrial cleaning blends.
Grade & Selection Notes
Choose food or USP grade when the application requires that specification and your compliance team has approved the material. Choose technical grade for industrial pH adjustment, rust conversion, and cleaning where food-grade documentation is not required.
Safety & Handling
Phosphoric acid is corrosive and can cause severe irritation or burns. Use acid-resistant PPE, ventilation, compatible containers, secondary containment, and segregation from bases, oxidizers, reactive metals, and incompatible cleaners. Review the Safety Data Sheets before use and follow your site-specific handling procedure.
Why Buy From Alliance Chemical
Most in-stock phosphoric acid products ship with SDS support and lot documentation where applicable. Package availability varies by concentration, grade, and destination.
Related: Acids, Mineral Acids, Food & Beverage Processing, Metal Finishing.
