Product Overview

Phosphoric acid (H3PO4) is a critical inorganic acid with profound significance in industrial and scientific applications. As a triprotic acid, it plays a fundamental role in numerous chemical processes, characterized by its ability to donate three protons and form multiple salt configurations. This 75% laboratory-grade solution represents a concentrated form of phosphoric acid, engineered for precise industrial and research applications requiring high-purity acid interactions.

Developed through sophisticated industrial extraction and concentration processes, this phosphoric acid variant offers exceptional chemical reactivity and stability. Its molecular structure enables versatile interactions across multiple industrial domains, making it a cornerstone chemical in advanced manufacturing, materials processing, and scientific research environments.

Key Properties

• Chemical Formula: H3PO4
• Boiling Point: 158°C (316°F)
• Specific Gravity: 1.57 at 20°C
• Flash Point: 210°C (410°F)
• Appearance: Clear yellowish liquid
• Solubility: Complete water miscibility
• Density: 1.57 g/cm³ at 20°C
• Chemical Stability: Excellent thermal and chemical stability
• Molecular Weight: 98.0 g/mol

Common Applications

• Metal Surface Treatment: Industrial phosphoric acid enables comprehensive metal surface modification through precise etching and oxide removal processes. Manufacturers utilize this acid to prepare metal surfaces for subsequent coating, painting, or advanced surface treatment techniques, ensuring optimal adhesion and corrosion resistance.
• Chemical Processing: Essential for pH adjustment and chemical synthesis, phosphoric acid serves as a critical reagent in complex industrial chemical reactions. Research laboratories and industrial processing facilities leverage its precise proton donation capabilities for developing advanced chemical formulations and intermediates.
• Water Treatment Systems: Phosphoric acid provides advanced pH control and mineral sequestration in industrial cooling and processing water systems. Technical operators use this acid to manage water chemistry, prevent scale formation, and maintain optimal equipment performance in challenging industrial environments.
• Industrial Equipment Maintenance: Specialized descaling and cleaning applications rely on phosphoric acid's ability to dissolve mineral deposits and oxidized materials. Maintenance professionals use this acid to restore industrial heat exchangers, processing equipment, and critical mechanical infrastructure.
• Surface Preparation and Coating: Critical for creating phosphate conversion coatings on metal substrates, this acid enables advanced surface modification techniques. Industrial coating processes depend on phosphoric acid to generate protective interfacial layers with enhanced durability and corrosion resistance.

Safety Precautions

Phosphoric acid requires comprehensive handling protocols due to its corrosive nature. Users must implement rigorous safety measures, including designated handling areas with proper ventilation, chemical-resistant containment systems, and extensive personal protective equipment designed to prevent direct chemical contact.

Storage demands strict environmental control, including temperature-regulated spaces isolated from incompatible chemical classes. Acid-resistant containers constructed from materials like polyethylene or specialized glass must be used, with secondary containment systems to prevent potential environmental contamination.

Mandatory personal protective equipment includes chemical-resistant gloves, full-face shields, acid-resistant protective clothing, and appropriate respiratory protection. Emergency eyewash stations and safety showers must be immediately accessible in all handling areas. Critical dilution procedures require carefully controlled protocols to prevent rapid heat generation and potential splashing.

Benefits

This laboratory-grade phosphoric acid delivers exceptional concentration consistency, providing researchers and industrial operators with a reliable chemical reagent featuring minimal impurity levels. Its precise 75% formulation ensures reproducible performance across diverse technical applications, supporting sophisticated scientific and industrial processes.

The product's superior chemical stability, combined with its comprehensive reactivity profile, offers significant advantages in complex industrial environments. Technical operators benefit from its consistent quality, enabling more predictable chemical interactions, reduced equipment maintenance requirements, and enhanced overall process efficiency.