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5 Things to Know Before Buying hydrogen chloride gas

Author: Friday

Mar. 24, 2025

Top 5 Uses of Hydrochloric Acid - Chemicals and Solvents

What is Hydrochloric Acid?

Hydrochloric acid (also known as muriatic acid) is one of the most commonly used acids for industrial and manufacturing purposes.

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Hydrochloric acid is an aqueous solution of hydrogen chloride. At room temperature, hydrogen chloride (HCl) is a gas. Hydrochloric acid (HCl (aq)) is produced when HCl is dissolved in water.

Hydrochloric acid is a clear, colorless liquid with a strong, pungent odor. It is known for its high corrosivity and natural ability to break down a variety of different materials. It is also a naturally occurring compound. Hydrochloric acid is found as a dilute digestive substance in the human stomach. It is the main component of gastric acid as it helps break down digested foods. While it is a naturally occurring compound, it is also a popular acid in laboratories and manufacturing and industrial processes. Hydrochloric acid has a wide array of uses through different applications of percentages and mixtures.

Chemical Properties: Solubility, Molar Mass, and Molecular Density for hydrochloric acid:

Hydrochloric acid has a molar mass of 36.458 g/mol and a molecular density of 1.2 g/mL at 25 °C (lit.) It is the aqueous form of HCl gas. It has a pH of around 3. Other names include Muriatic acid, Spirits of salt, Hydronium chloride, Chlorhydric Acid. 

What are the top 5 uses of Hydrochloric Acid?

Hydrochloric acid has a diverse range of applications.

1. Steel Pickling

Hydrochloric acid is used in steel pickling, which is the process of removing impurities from steel or iron before further processing. Pickling removes iron oxides from the steel before other techniques such as galvanizing or rolling are applied. Hydrochloric acid at an 18% concentration is the most widely used type of the acid as a pickling agent.

2. Products, cleaners, and food processing

Hydrochloric acid is a useful ingredient in household cleaners that are applied to tough stains, like in bathroom tile, porcelain, and toilet bowl cleaners because of its strong corrosive properties. It is also used in the production of other goods like light bulbs, batteries, and fireworks. Hydrochloric acid can also be applied in leather processing, and in producing gelatin products. It can be used to process corn syrups that are found in many foods like soft drinks and sweets. It is also used as an acidifier for canned goods, juices, and sauces in order to prolong shelf life and increase flavor.

3. Laboratory Uses

Hydrochloric acid is one of the main six strong mineral acids used in chemistry. It is an excellent acidifying reagent, and it is commonly used as the preferred acid in titration for determining the number of bases, as stronger acids give more precise results.

4. Neutralization

Hydrochloric acid can also be used to regulate the acidity of solutions. This is known as neutralization. Hydrochloric acid can be used to control the pH of water streams, waste streams, and swimming pools.

5. Oil Well Acidizing

Oil production utilizes hydrochloric acid as a stimulant when it is injected into rock formations of oil wells. The acid dissolves a portion of the rock, which creates a larger porous body to help extract existing oil.

Cautions when using hydrochloric acid.

Hydrochloric acid is considered a hazardous liquid and should be handled with care. The Environmental Protection Agency regulates hydrochloric acid as a toxic substance due to its highly corrosive nature and threat to human health and safety. Hydrochloric acid can greatly damage human skin if it comes into contact with it. Personal protective equipment (PPE) must be worn at all times when handling hydrochloric acid. Splash goggles, face shields, vapor respirators, and rubber gloves are recommended when using hydrochloric acid in the laboratory setting.

Accidental exposure to hydrochloric acid requires immediate management. If acid comes into contact with a part of the body, discard the affected clothing and wash the skin thoroughly. Seek medical attention if irritation persists, as well as if hydrochloric acid comes into contact with the eyes, nose, or throat.

Hydrochloric acid should be stored in a dry, well-ventilated area. Do not store hydrochloric acid with materials such as metals, alkalis, oxidizing agents, or other organic materials. Keep hydrochloric acid in plastic containers, like PVC. Keep the container tightly closed in a safe place.

Where can you purchase hydrochloric acid?

Hydrochloric acid can be purchased directly from Lab Pro. It is available in different volumes, from quarts to gallons, depending on your needs.

Top 3 Uses of Hydrochloric Acid - Ecolink

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For more information, please visit hydrogen chloride gas.

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What is Hydrochloric Acid? (HCl)

Hydrochloric acid is the compound hydrogen chloride (HCl) dissolved in water to form hydrogen and chloride ions. The ability for the chloride ion to hold a stable negative charge allows for the hydrogen proton to be donated to other compounds, thus making the HCl an acid. Without the HCl being dissolved in water, HCl is naturally a poisonous gas at room temperature. Hydrochloric acid is considered to be a strong acid because it is among the most ready compounds to deprotonate and donate hydrogens in solution.

Hydrochloric acid is also an extremely versatile chemical with usage in a multitude of industries. The main characteristics, besides being a strong acid, are that it is highly corrosive and a clear, odorless solution.
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Industries and Applications of Hydrochloric Acid

  • Food and Beverage
    • Purifying table salt
    • Additives such as fructose, calcium chloride, citric acid, and hydrolyzed vegetable protein
  • Manufacturing
    • Leather
    • PVC (Poly Vinyl Chloride)
    • Oil well production
    • Rock salt
    • Oil well production
  • Metal
    • Pickling
      • Steel Processing
  • Household Maintenance
    • Tile and porcelain cleaners
  • Sanitation
    • Water Treatment
    • Regulate pH for production of drinking water, foods and pharmaceuticals
    • Pool Disinfectant

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Fun Facts

These are some additional things you might not know about hydrochloric acid:

  • Hydrochloric acid is naturally produced by parietal cells in our bodies to help digest food in the stomach.
  • When hydrochloric acid comes in contact with water, it forms a gas called hydrogen chloride.
  • Muriatic acid, acidum salis, and spirits of salt are other names to describe hydrochloric acid.

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Chemical Safety

Health Rating: 3 ' The chemical has met Safer Choice Criteria for its functional ingredient class, but has some hazard profile issues. In other words, a chemical with this code is not associated with a low hazard concern for environmental endpoints and human health.

Store in a cool location and keep away from food and beverages. Practice proper hygiene when handling hydrochloric acid. As far as waste disposal, it is recommended that a licensed professional waste disposal service is contacted to prevent it from reaching a sewage system or open water.

Refer to this Safety Data Sheet for information on handling hydrochloric acid safely.
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If you would like to purchase hydrochloric acid, contact Ecolink at (800)-563- or  

Contact us to discuss your requirements of Industrial Gases. Our experienced sales team can help you identify the options that best suit your needs.

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