Nitric Acid 40%

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Nitric Acid 40%: A Versatile Concentration for Diverse Needs

Nitric Acid at a 40% concentration is a versatile reagent widely utilized in various industries. It offers a balance between reactivity and safety, making it suitable for educational purposes as well as commercial applications.

Chemical Attributes

Nitric Acid (HNO3) at this concentration is a less corrosive liquid but still serves as an efficient oxidizing agent. It is commonly used for less aggressive applications compared to its higher concentrated forms.

Appearance and Properties

The 40% Nitric Acid solution is a colorless or slightly yellow liquid with a characteristic acrid odor and is more manageable for safe handling and use in various processes.


With its balanced reactivity, Nitric Acid at 40% concentration is suitable for a wide range of applications.

Agricultural Use

It’s frequently used in the production of fertilizers, providing essential nitrogen for plant growth.

Metal Processing

This concentration is optimal for pickling and preparing metals, helping to remove oxides and scale from surfaces.

Educational Purposes

It is a preferred reagent in educational laboratories for demonstrations and experiments that require a less concentrated acid.

Handling and Storage

Handling Nitric Acid, even at 40%, requires adherence to safety protocols to prevent accidents and ensure a safe working environment.

Safety Measures

Protective gear such as gloves, safety goggles, and chemical-resistant aprons are essential. Proper ventilation is necessary to minimize exposure to vapors.

Storage Recommendations

It should be stored in a cool, dry, and well-ventilated area in containers made of materials compatible with Nitric Acid, such as certain plastics or alloys designed for chemical storage.


Nitric Acid 40%, with its moderate concentration, is a practical and effective chemical for various applications. Understanding its handling and storage requirements is key to its safe and beneficial use.


Nitric Acid 40% SDS PDF - 285KB