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CAS Number Information for Sodium Hydroxide and Its Applications

Understanding the Role of Sodium Hydroxide (CAS No. 1310-73-2)

Sodium hydroxide, commonly known as caustic soda or lye, is an inorganic compound with the chemical formula NaOH. It plays a crucial role in various industrial and laboratory processes due to its highly alkaline nature. The CAS (Chemical Abstracts Service) number for sodium hydroxide is 1310-73-2, which serves as a unique identifier for this compound, facilitating its tracking and safety management across diverse applications and industries.

Properties and Structure

Sodium hydroxide is a white, odorless solid that is highly soluble in water, releasing heat during the dissolution process. Its alkaline properties arise from the presence of sodium ions (Na+) and hydroxide ions (OH-). In a concentrated solution, it can cause severe burns and is classified as a hazardous substance. Handling sodium hydroxide requires appropriate safety measures, including gloves, protective eyewear, and proper ventilation to avoid exposure to its corrosive qualities.

Industrial Applications

The versatility of sodium hydroxide makes it an essential chemical in numerous industrial applications. One of its primary uses is in the production of soap and detergents. By saponifying fats and oils, sodium hydroxide facilitates the formation of these cleaning agents, which are vital in households and industries alike.

Moreover, sodium hydroxide is instrumental in the paper manufacturing process. It is used to break down lignin in wood, allowing cellulose fibers to be separated, which is crucial for producing pulp. This application highlights the compound's role in not only consumer products but also in important sectors like publishing and packaging.

In the chemical industry, sodium hydroxide is used as a reagent to produce various chemicals, including chlorine and sodium hypochlorite, which have further applications in disinfection and water treatment. It is also involved in the production of biodiesel, aiding in the transesterification process of fats and oils.

cas no of sodium hydroxide

Laboratory Uses

In laboratories, sodium hydroxide is utilized for various analytical and preparative purposes. It serves as a standard solution in titrations to determine the concentration of acid solutions. The compound is also used to neutralize acidic waste streams, making it a vital component in waste management protocols.

Furthermore, sodium hydroxide can facilitate the extraction of certain compounds during organic synthesis. Its ability to deprotonate weak acids allows chemists to manipulate chemical pathways, yielding desired products with greater efficiency. The importance of sodium hydroxide in laboratory settings cannot be overstated, as it aids both qualitative and quantitative analysis in chemical research.

Environmental and Safety Considerations

Despite its numerous applications, sodium hydroxide can pose environmental risks if not managed correctly. Spills or improper disposal can lead to soil and water contamination, harming ecosystems. Therefore, it is essential for industries and laboratories to adhere to strict safety guidelines and regulations when handling sodium hydroxide.

Proper training for personnel, including emergency response plans and regular safety drills, is crucial. Additionally, using containment measures and neutralization strategies in case of spills can mitigate the potential adverse effects on the environment.

Conclusion

Sodium hydroxide, identified by its CAS number 1310-73-2, is a powerful and versatile compound with significant industrial and laboratory applications. From soap manufacturing to chemical synthesis, its role is indispensable. However, the hazards associated with its use necessitate rigorous safety protocols to prevent harm to individuals and the environment. Understanding both the applications and the risks of sodium hydroxide is vital for anyone working with this chemical to harness its benefits while ensuring safety and compliance with environmental regulations.

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