What Should You Know About CAS 7664-38-2?

20, Oct. 2026

 

Understanding CAS 7664-38-2

If you’re diving into the world of chemistry, you might come across the chemical compound CAS 7664-38-2. This is an important substance, but what exactly do you need to know about it? Let’s explore together.

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What is CAS 7664-38-2?

CAS 7664-38-2 is the Chemical Abstracts Service number for phosphoric acid. It’s a mineral acid widely used in various applications. Understanding its properties and uses can be important for both industrial and laboratory purposes.

Why is Phosphoric Acid Important?

Phosphoric acid plays a significant role in many fields, including agriculture and manufacturing. Here are a few key points to consider:

  1. In agriculture, it’s a vital component of fertilizers.
  2. It’s used in food processing to acidify soft drinks and food products.
  3. In manufacturing, it helps create rust-proof coatings and in the production of ceramics.

Properties of CAS 7664-38-2

Phosphoric acid is a colorless, odorless liquid. It has a syrupy consistency and is highly soluble in water. But be careful—concentrated forms can be corrosive. Always handle it with care!

Common Uses of CAS 7664-38-2

Here are some of its common applications:

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  1. Fertilizers: Phosphoric acid is key in producing phosphate fertilizers which are essential for healthy plant growth.
  2. Food Industry: It acts as an acidulant, enhancing flavor and safety.
  3. Water Treatment: It helps in removing impurities.
  4. Manufacturing: Used in making glass and ceramics.
  5. Cleaning Agents: It’s often found in rust removers.

Handling and Safety Concerns

When working with CAS 7664-38-2, safety is paramount. Here are some essential tips:

  1. Always wear appropriate PPE: gloves, goggles, and a lab coat.
  2. Use it in a well-ventilated area to avoid inhalation of fumes.
  3. Store it away from bases and incompatible materials.

Phosphoric Acid as a Dispersing and Wetting Agent

Did you know that phosphoric acid can also act as a dispersing and wetting agent? This property makes it versatile in formulations. It helps blend ingredients more effectively, ensuring an even consistency in products. This is particularly useful in industries like cosmetics, paints, and coatings.

Combining with Alcohol, Hydroxybenzene, and Ether

Phosphoric acid can interact with various organic compounds, including alcohol, hydroxybenzene, and ether. These combinations allow for enhanced chemical reactions, broadening its application scope. For example:

  1. Alcohol: Often used in esters, they might enhance the oiliness in certain products.
  2. Hydroxybenzene: Commonly known as phenol, it can react with phosphoric acid to produce valuable chemical intermediates.
  3. Ether: These can dissolve phosphoric acid, improving its utility in certain mixtures.

In Summary

Knowing about CAS 7664-38-2 is crucial, especially when dealing with pharmaceuticals, agriculture, and manufacturing. Its versatility as a dissolving agent and its interactions with alcohol, hydroxybenzene, and ether mean it has much to offer in different applications.

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