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potassium dihydrogen phosphate cas

Understanding Potassium Dihydrogen Phosphate CAS Number and Applications

Potassium dihydrogen phosphate, commonly known as KH2PO4, is a crystalline salt that is widely used in various industries due to its unique properties. It is especially noted for its role in agriculture, food production, and laboratory applications. This article delves into its characteristics, uses, and the significance of its Chemical Abstracts Service (CAS) number.

Chemical Structure and Properties

The chemical formula for potassium dihydrogen phosphate is KH2PO4, which indicates that it contains one potassium (K) ion, two hydrogen (H) ions, and one phosphate (PO4) group. It is an odorless white crystalline powder that is highly soluble in water, leading to a solution that is acidic in nature. The compound is stable under normal conditions and exhibits good thermal and chemical stability, making it a versatile substance in various applications.

CAS Number and Identification

The CAS number for potassium dihydrogen phosphate is 7778-77-0. This unique identifier is assigned by the Chemical Abstracts Service, which aids in the precise identification of chemical substances. The CAS number is used globally by researchers and manufacturers to ensure clarity and reduce confusion concerning chemical substances, particularly within regulatory and safety contexts.

Applications in Agriculture

potassium dihydrogen phosphate cas

In agriculture, potassium dihydrogen phosphate serves as an important fertilizer. It provides both potassium and phosphorus, which are essential nutrients for plant growth. These nutrients help in root development, flowering, and overall crop yield. KH2PO4 is especially advantageous for crops that require these nutrients in high amounts. It is often used in hydroponic systems, where it can enhance the growth of vegetables and herbs without soil.

Role in Food Industry

In the food industry, potassium dihydrogen phosphate is utilized as a food additive and nutrient supplement. It acts as an acidity regulator, stabilizer for emulsions, and a nutrient source in various food products. It is often found in processed foods, dairy products, and beverages, where it helps to maintain flavor and enhance texture.

Laboratory Uses

In laboratories, KH2PO4 is commonly used as a buffering agent in microbiological media, biochemical reactions, and titrations. Its ability to maintain a consistent pH level makes it invaluable in research settings. Potassium dihydrogen phosphate is also utilized in the preparation of phosphate buffers, which are essential for multiple biochemical assays.

Conclusion

Potassium dihydrogen phosphate, with its CAS number 7778-77-0, is a multifunctional compound with significant applications ranging from agriculture to food production and scientific research. Its nutritional properties and stability make it an essential ingredient in many sectors. Understanding its characteristics and applications can help industries optimize their processes and improve product quality, ultimately benefiting consumers and enhancing food security globally.

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