cas no 7681 38 1

Understanding the Significance of CAS No. 7681-38-1

In the vast realm of chemical substances, identifiers play a crucial role in ensuring clarity and safety in research, manufacturing, and numerous industrial applications. One such identifier is the CAS (Chemical Abstracts Service) number. This unique numerical designation serves to identify a specific chemical compound among the vast sea of chemicals registered in various databases. CAS No. 7681-38-1 is assigned to sodium bisulfate, a compound that holds significant importance across a multitude of industries.

Chemical Structure and Properties

Sodium bisulfate, also known as sodium hydrogen sulfate, is represented by the chemical formula NaHSO₄. It is the sodium salt of bisulfate and is characterized by its white crystalline appearance. The compound is highly soluble in water, and its dissolution in water results in a mildly acidic solution due to the release of hydrogen ions. This property makes sodium bisulfate a useful agent in various applications that require pH adjustment or where acidic conditions are necessary.

The melting point of sodium bisulfate is approximately 315 °C, and it has a density of about 2.74 g/cm³. These physical properties ensure its practicality in industries ranging from food processing to manufacturing, where heat stability and solubility are paramount.

Understanding the Significance of CAS No. 7681-38-1

One of the primary uses of sodium bisulfate is in the cleaning and maintenance of swimming pools. It is often used as a pH decrease agent to maintain the water's acidity levels, ensuring that conditions are safe and comfortable for swimmers. By lowering the pH, sodium bisulfate helps to minimize the potential for the formation of scaling and sanitizes the pool water more effectively.

In addition, sodium bisulfate is an important compound in the food industry. It serves as a food additive (E number E514) and is commonly employed as an acidulant. It is used in the manufacture of various food products, including pickles and canned goods, where it enhances flavor and contributes to food preservation. The compound's role in food is essential, ensuring that products remain safe and enjoyable for consumers.

Furthermore, sodium bisulfate is a crucial ingredient in the production of cleaning products. Its acidic nature allows it to effectively break down scale and rust and to act as a descaling agent for various surfaces. This versatility makes it a popular choice in the formulation of household cleaners and industrial cleaning agents. The ability to effectively lower the pH of water in detergents also enhances the cleaning efficiency, making it a valued compound in these formulations.

Environmental and Safety Considerations

While sodium bisulfate is relatively safe when handled properly, it is essential to understand the safety measures associated with its use. As it is an acidic substance, direct contact with the skin or eyes can cause irritation. Proper personal protective equipment (PPE) should always be worn when handling the compound to minimize any health risks. Additionally, care must be taken to ensure that sodium bisulfate is stored and disposed of correctly to avoid environmental contamination.

The compound’s impact on the ecosystem is less concerning than that of stronger acids, but awareness and adherence to environmental regulations are paramount for its safe application in industries. It is always essential to talk to material safety data sheets (MSDS) and comply with local regulations when working with sodium bisulfate in any setting.

Conclusion

CAS No. 7681-38-1 is more than just a number; it represents sodium bisulfate, a compound with a diverse range of applications and significant industrial relevance. From its role in the food industry to its effectiveness as a cleaning agent, sodium bisulfate continues to be a vital resource. Understanding its properties, applications, and safety considerations is essential for anyone involved in its use. As industries evolve and seek safer, more effective solutions, sodium bisulfate remains a steadfast component in achieving these goals, showcasing the importance of chemical identifiers in the modern world.