Phosphoric Acid 75%
High Purity Phosphoric Acid Manufacturer – CAS 7664-38-2
Phosphoric acid manufacturer supply from Vanchor covers CAS 7664-38-2 in 75% concentration grades. Its H₃PO₄ structure supports phosphate production, acidity control, and mineral processing. In addition, the product suits fertilizer manufacturing, food processing, metal surface treatment, water treatment, and chemical synthesis.
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Data Sheet
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Formula:
H₃PO₄
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CAS Number:
7664-38-2
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Purity:
≥75%
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Product Name:
Phosphoric Acid 75%
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Assay:
75% Min
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Appearance:
Clear, colorless or slightly light-colored liquid
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Specific Gravity:
Approx. 1.57 at 25°C
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Freezing Point:
Approx. −17.5°C
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Solubility:
Completely miscible with water
Phosphoric Acid 75% Manufacturer and Supplier
Vanchor supplies Phosphoric Acid 75% as a clear, stable and easy-to-handle aqueous solution of orthophosphoric acid. Compared with the 85% grade, Phosphoric Acid 75% has a lower crystallization temperature and is generally easier to pump, meter and dilute under normal industrial conditions.
This concentration is particularly suitable for metal treatment, industrial cleaning, water treatment, phosphate formulation and production processes where some additional water does not affect the final formulation.
Technical grade and food grade options can be supplied according to the agreed product specification and destination-market requirements.
It plays a key role in many industries due to its:
Multiple Concentration Grades for Phosphate-Based Processing
Fertilizer producers use phosphoric acid to manufacture phosphate fertilizers and nutrient blends. The product helps provide phosphorus content for agricultural formulations. At the same time, chemical manufacturers use it to produce phosphates, catalysts, and other specialty materials.
Metal surface treatment also depends on phosphoric acid in selected cleaning and preparation steps. It helps condition metal surfaces before coating, finishing, or further processing. In practice, the acid can support scale removal, surface adjustment, and controlled reaction behavior.
Food processing applications often use food grade phosphoric acid for acidity regulation in approved formulations. Water treatment systems may also use it for pH control and phosphate-related treatment needs. Different concentration grades allow production teams to choose a suitable active acid level for each process.
Why Choose Phosphoric Acid 75%?
Phosphoric Acid 75% provides a practical balance between acid strength and operational convenience.
Easier Pumping and Metering
Its lower concentration makes it less viscous than 85% phosphoric acid under comparable conditions. This can simplify transfer, dosing and mixing in plants without heated storage or temperature-controlled pipelines.
Lower Crystallization Risk
The approximate freezing point of the 75% solution is significantly lower than that of 85% phosphoric acid. It is therefore more suitable for warehouses, production sites and transport routes exposed to lower ambient temperatures.
Convenient for Ready-to-Use Formulations
Customers producing metal cleaners, descaling liquids, phosphate treatments or water-treatment formulations may require a solution that can be introduced directly without extensive pre-dilution.
Lower Initial Product Cost
The purchase price per metric ton is generally lower than that of 85% phosphoric acid. However, customers should also compare freight cost based on active H₃PO₄ content rather than only the delivered tonnage.
Major Applications of Phosphoric Acid
Metal Cleaning and Surface Preparation
Phosphoric Acid 75% can be used as a raw material in formulations for:
- Rust removal
- Metal descaling
- Surface activation before coating
- Phosphate conversion treatments
- Pre-paint metal preparation
- Industrial metal-cleaning compounds
Its manageable concentration allows formulators to adjust the acid level according to the metal type, contact time and required surface condition.
Industrial Cleaning and Descaling
The 75% grade is suitable for manufacturers of industrial cleaning products used to remove mineral deposits, rust and inorganic residues from compatible equipment and surfaces.
Typical uses include:
- Industrial descaling formulations
- Equipment-cleaning products
- Pipeline cleaning formulations
- Acid-based maintenance chemicals
- Mineral-deposit removal products
Final formulations must be tested for compatibility with the equipment material and operating environment.
Water Treatment and pH Adjustment
Phosphoric Acid 75% may be selected for controlled pH adjustment and the manufacture of phosphate-based water-treatment products.
It is particularly useful where:
- Accurate dosing is required
- The process can accept additional water
- Easier ambient-temperature pumping is preferred
- The customer does not need maximum acid content per shipment
Water Treatment & Industrial Cleaning
In water treatment systems, phosphoric acid is used to:
- Prevent scale formation in pipelines
- Reduce lead and copper corrosion in municipal water systems
- Assist in industrial wastewater treatment
Phosphate Salts and Chemical Formulation
Chemical manufacturers can use the 75% grade as a raw material for producing phosphate salts and blended phosphate formulations.
It is suitable for batch processes where water is already part of the reaction or final product.
Food Processing Applications
Certified food-grade Phosphoric Acid 75% may be used in approved food and beverage processes, including acidity regulation and pH control.
Food-related use is limited to material supplied with the required food-grade specification and must comply with the regulations of the destination country. Commercial food-grade phosphoric acid is available in both 75% and 85% concentrations.
Phosphoric Acid Technical Specifications
Phosphoric Acid 75%
Phosphoric Acid 75%
| Product Name | Phosphoric Acid 75% |
| Chemical Name | Orthophosphoric Acid |
| CAS Number | 7664-38-2 |
| Molecular Formula | H₃PO₄ |
| Assay | 75% Min |
| Appearance | Clear, colorless or slightly light-colored liquid |
| Specific Gravity | Approx. 1.57 at 25°C |
| Freezing Point | Approx. −17.5°C |
| Solubility | Completely miscible with water |
| Available Grades | Technical Grade / Food Grade |
Packaging Options
We provide flexible packaging solutions designed for safe storage, convenient handling, and efficient international transportation.
Standard Packaging
- 35 kg plastic drums
- 330 kg plastic drums
IBC Packaging
- 1650 kg IBC totes
- Approved flexitank packaging
ISO Packaging
- ISO tank containers for large-volume supply
- Customized packaging subject to order quantity and destination requirements
Storage & Safety Handling
- Store Phosphoric Acid 75% in a sealed, corrosion-resistant container in a cool, dry, well-ventilated area.
- Keep away from alkalis, bleach, ammonia, reactive metals, and incompatible chemicals.
- Wear chemical-resistant gloves, protective clothing, and eye protection.
Why Choose Vanchor Phosphoric Acid
High-purity 75% phosphoric acid
Reliable global supply and export experience
Competitive factory-direct pricing for bulk orders
Full documentation including COA, MSDS, and SGS reports
Professional international logistics support
Our phosphoric acid products are exported worldwide and widely used by fertilizer manufacturers, food processors, metal treatment plants, and chemical producers.
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Global Phosphoric Acid Manufacturer & Exporter
We supply industrial phosphoric acid to customers worldwide, including markets in:
- Asia
- Europe
- Middle East
- North America
- South America
- Africa
Target Customers
- Metal-treatment chemical manufacturers
- Industrial-cleaning formulators
- Water-treatment chemical companies
- Phosphate salt producers
- General chemical distributors
- Small and medium-sized processing plants
- Food processors requiring a more easily handled concentration
- Customers operating in colder climates
Phosphoric Acid FAQs
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Technical Data Sheet (TDS)
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Free samples
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Moisture-proof packaging
safe handling
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