Citric Acid Solution 21% is an aqueous solution containing approximately 21% citric acid, a widely used organic acid known for its acidity, chelating properties, and versatility across numerous industrial and commercial processes. Citric acid has the molecular formula C₆H₈O₇ and is commonly used where controlled acidity, mineral-scale removal, metal-ion complexing, or pH adjustment is required.

The 21% liquid concentration provides the convenience of a pre-prepared citric acid solution, eliminating the need to dissolve solid citric acid for applications that require an aqueous formulation of this concentration. This can make handling and incorporation into suitable industrial processes more convenient and consistent, subject to the specific process requirements.

One of the important industrial uses of Citric Acid Solution is in cleaning and descaling applications. Its acidic and chelating characteristics can help dissolve or loosen certain mineral deposits and scale from compatible equipment, pipelines, tanks, processing systems, and hard surfaces. It may therefore be incorporated into appropriately designed maintenance and cleaning processes where citric acid is specified.

Citric Acid Solution 21% can also be used for pH adjustment and process control in suitable industrial systems. As an organic acid, it can lower the pH of compatible aqueous formulations and process streams. The exact quantity required depends on the starting pH, buffering capacity, desired final pH, and overall process conditions.

Its ability to interact with certain metal ions also makes citric acid useful as a chelating and complexing agent in selected industrial processes. This property can support cleaning, surface-treatment, water-treatment, and manufacturing operations where control of certain dissolved metal ions or mineral deposits is desirable.

In metal-processing and equipment-maintenance environments, citric acid solutions may be used in suitable surface cleaning and treatment processes, depending on the metal, concentration, operating conditions, and required technical specifications. Material compatibility should always be evaluated before use, particularly when prolonged contact or elevated temperatures are involved.

Citric Acid Solution may additionally be incorporated into various chemical formulations, institutional cleaning products, industrial cleaners, and manufacturing processes as an acidifying or processing ingredient. The 21% concentration makes it suitable for customers seeking a liquid citric acid formulation rather than a dry crystalline product.

The product should be stored in a clean, compatible and tightly closed container in a cool, dry, well-ventilated location. Contamination with incompatible chemicals should be avoided, and appropriate personal protective equipment should be used according to the product’s Safety Data Sheet (SDS) and workplace requirements.

Overall, Citric Acid Solution 21% is a versatile liquid organic acid suitable for numerous industrial cleaning, descaling, pH-control, chemical-processing, metal-treatment, and water-treatment applications. Actual suitability should always be determined according to the required product specification, material compatibility, process conditions, and applicable industry requirements.

Key Features

• 21% Citric Acid concentration
• Ready-to-use aqueous solution
• Organic acid-based formulation
• Useful for pH adjustment
• Effective for suitable descaling applications
• Chelating and complexing properties
• Suitable for industrial cleaning processes
• Convenient liquid form
• Suitable for multiple industrial applications
• Useful as a chemical-processing raw material