Hydrochloric Acid 31% Technical Grade

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Hydrochloric Acid 20° BE (31%)

A Powerful Industrial Acid:


Hydrochloric Acid 20° BE (31%) is a highly concentrated, strong mineral acid used extensively in various industrial processes, including metal processing, chemical synthesis, and pH control.


Chemical Properties:

This solution, with approximately 31% hydrochloric acid by weight, is known for its high acidity, corrosiveness, and ability to react with metals and carbonates.


Appearance and Odor:

It is a clear, colorless to slightly yellow liquid with a sharp, pungent odor, indicative of its acidic nature and strength.


Concentration and Purity:

At 20° Baumé (about 31% concentration), it offers a high level of purity and consistency, making it suitable for a variety of technical applications.


Reactivity and Compatibility:

Highly reactive with bases, metals, and organic materials, it is used in reactions requiring a strong acid or for neutralization purposes.



Hydrochloric Acid 20° BE (31%) is utilized in metal pickling, pH control in water treatment, and as a raw material in the production of various chemicals.


Metal Processing:

Essential in metal pickling, it removes rust and scale from steel and other metals, preparing them for further processing like plating or painting.


Water Treatment:

In water treatment, it’s used to adjust pH levels, aiding in the purification and treatment of water for various uses.


Chemical Synthesis:

It serves as an important reactant in the synthesis of numerous chemical compounds, including chlorides, fertilizers, and dyes.


Handling and Storage:

Handling of Hydrochloric Acid 20° BE (31%) requires strict safety measures due to its corrosive nature and emission of harmful fumes.


Protective Measures:

Use of personal protective equipment (PPE), such as acid-resistant gloves, goggles, and face shields, is critical to prevent skin and eye contact.


Storage Conditions:

It should be stored in corrosion-resistant containers, in a cool, well-ventilated area, away from incompatible substances like bases and oxidizers.



Hydrochloric Acid 20° BE (31%) is a fundamental component in diverse industrial operations, valued for its reactivity and effectiveness. Adherence to stringent safety protocols is essential to manage its risks and maximize its utility in industrial settings.

Hydrochloric Acid 31% (20 BE) SDS PDF - 398KB