Acids

Mineral Acids
Organic Acids
Phosphoric Acids
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About Acids

Acids are a foundational class of chemicals defined by their ability to donate protons or accept electron pairs, making them essential to virtually every sector of industry and research. Alliance Chemical stocks a comprehensive selection of both mineral (inorganic) and organic acids for industrial, laboratory, and commercial use.

Our acid catalog spans applications including pH adjustment and water treatment, metal cleaning and surface preparation, food and beverage processing, chemical synthesis and manufacturing, and analytical laboratory procedures. Whether you need hydrochloric acid for concrete etching, sulfuric acid for battery maintenance, phosphoric acid for rust removal, or citric acid for food processing, you will find the right product here. Our article on using phosphoric acid for rust removal is a popular starting point for maintenance professionals.

Available grades include Technical, ACS Reagent, USP, FCC, and Food Grade, depending on the specific acid. Sizes range from convenient quarts and gallons for small-scale needs to drums and totes for bulk industrial consumption. To understand which grade fits your application, review our guide to chemical grades.

Every acid order ships with a Safety Data Sheet (SDS) and Certificate of Analysis (COA). Alliance Chemical offers same-day shipping on in-stock products, no minimum orders, and full hazmat compliance so your chemicals arrive safely.

Frequently Asked Questions

What are the common uses of acids in industrial applications?
Acids play a crucial role in various industrial processes, including pH adjustment, metal etching, cleaning, chemical synthesis, and water treatment. Specific uses depend on the type of acid and its concentration. Alliance Chemical supplies acids suitable for diverse applications, including laboratory analysis, industrial processing, and specialized applications.
What grades of acids are available from Alliance Chemical?
Alliance Chemical offers a range of acid grades to suit various applications, including ACS Reagent, Technical Grade, and specific grades tailored to industry needs. Each grade signifies the purity level and suitability for different analytical and industrial processes. Always refer to the Certificate of Analysis (COA) for detailed specifications.
How should acids be safely stored?
Acids should be stored in tightly sealed, acid-resistant containers in a cool, dry, and well-ventilated area away from incompatible materials such as bases and oxidizers. Always refer to the Safety Data Sheet (SDS) for specific storage requirements for each acid. Proper labeling and segregation are also crucial for safe handling.
Which acid is best for pH adjustment?
The best acid for pH adjustment depends on the specific application and the desired pH range. Sulfuric acid and hydrochloric acid are commonly used for lowering pH in industrial settings, while acetic acid may be preferred for milder adjustments. Consider the buffering capacity of the solution and potential side reactions when selecting an acid.
What safety precautions should I take when working with acids?
Always wear appropriate personal protective equipment (PPE), including gloves, eye protection, and a lab coat, when handling acids. Work in a well-ventilated area or use a fume hood to avoid inhaling vapors. In case of skin or eye contact, immediately flush with copious amounts of water and seek medical attention.
What concentrations of acids are typically available?
Acids are available in various concentrations, ranging from dilute solutions to concentrated forms. Common concentrations include 37% hydrochloric acid, 93% sulfuric acid, and glacial acetic acid. The appropriate concentration depends on the intended use and dilution requirements. Alliance Chemical offers a variety of concentrations to meet the needs of different industries.
Can I buy acids in bulk from Alliance Chemical?
Yes, Alliance Chemical is a bulk supplier of acids. We offer various packaging options, from small containers to drums and totes, to accommodate different quantity requirements. Contact our sales team to discuss your specific needs and obtain a quote for bulk acid purchases.
What is the difference between ACS Reagent grade and Technical grade acids?
ACS Reagent grade acids meet or exceed the purity standards set by the American Chemical Society (ACS) and are suitable for laboratory analysis and research. Technical grade acids have lower purity standards and are typically used in industrial applications where high purity is not critical. Alliance Chemical provides both grades to cater to various needs.
How do I dilute concentrated acids safely?
Always add acid to water slowly, with constant stirring, to avoid a potentially violent reaction. This is especially important for strong acids like sulfuric acid, which generate significant heat when diluted. Never add water to acid, as this can cause splattering and potentially dangerous situations. Use appropriate PPE and work in a well-ventilated area.
Are there eco-friendly alternatives to harsh acids for certain applications?
In some cases, milder acids like citric acid or acetic acid (vinegar) can be used as eco-friendly alternatives to stronger acids for cleaning and pH adjustment. D-Limonene is a great degreasing alternative to some strong acids. The effectiveness of these alternatives depends on the specific application. Alliance Chemical offers both traditional and greener chemical solutions.

Guides & Resources

The Professional's Guide to Industrial Acids: Uses, Science & Safety

The Professional's Guide to Industrial Acids: Uses, Science & Safety

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Understanding Metal Pickling: Acid Selection Fundamentals

Understanding Metal Pickling: Acid Selection Fundamentals

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Complete Sulfuric Acid Concentration Guide

Complete Sulfuric Acid Concentration Guide

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The Definitive Guide to Nitric Acid Passivation of Stainless Steel

The Definitive Guide to Nitric Acid Passivation of Stainless Steel

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The Alchemist's Toolkit: Essential Acids & Bases in Modern Metal Finishing & Electroplating

The Alchemist's Toolkit: Essential Acids & Bases in Modern Metal Finishing & Electroplating

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Chemical Storage Guidelines: Safely Handling Acids, Bases, and Solvent

Chemical Storage Guidelines: Safely Handling Acids, Bases, and Solvent

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Industries Using Acids

See how acids products are used across different industries.

Pharmaceutical & Laboratory Research

ACS Reagent Grade solvents, acids, and reagents for analytical chemistry, chromatography, and...

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Metal Finishing & Surface Treatment

Process chemicals for electroplating, anodizing, pickling, passivation, and precision degreasing — from...

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Water & Wastewater Treatment

Coagulants, pH adjustment chemicals, and process treatment chemicals for municipal water systems,...

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Semiconductor & Electronics Manufacturing

ACS Reagent and semiconductor-grade chemicals for wafer fabrication, surface preparation, and precision...

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