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sodium hydroxide cas number

Understanding Sodium Hydroxide CAS Number and Applications

Sodium hydroxide, commonly known as caustic soda or lye, is a highly versatile chemical compound with the formula NaOH. It is widely used in various industries due to its strong alkaline properties. The CAS (Chemical Abstracts Service) number for sodium hydroxide is 1310-73-2, a unique numerical identifier that allows for easy reference and classification of this chemical in scientific literature and industrial databases.

Properties and Characteristics Sodium hydroxide is a white, odorless solid that is highly soluble in water, releasing heat when dissolved. It is found in various forms, including flakes, pellets, and solutions. As a strong base, it has a pH of approximately 14 in solution. NaOH plays a crucial role in various chemical reactions, particularly in neutralizations, saponifications, and as a pH regulator.

Industrial Applications The uses of sodium hydroxide span across multiple sectors, including

1. Chemical Manufacturing NaOH is a foundational chemical used in the production of various substances, including chlorine, plastics, and synthetic fibers. It acts as a reagent in numerous chemical reactions.

2. Pulp and Paper Industry Sodium hydroxide is essential in the pulping process, where it helps to break down lignin in wood, facilitating the extraction of cellulose fibers. This makes it integral to the production of paper products.

3. Food Industry In the food industry, sodium hydroxide is used for food processing and preservation. It can be utilized in the production of olives, pretzels, and certain types of candy, as well as in the cleaning and sanitization of food processing equipment.

sodium hydroxide cas number

4. Water Treatment NaOH plays a significant role in water treatment facilities, where it is used to adjust the pH of water, ensuring it is safe for consumption. It helps in the removal of heavy metals and neutralizing acidic water, making it an essential component in maintaining clean water supplies.

5. Textile Industry In the textile sector, sodium hydroxide is used in the mercerization process, which enhances the strength and dyeability of cotton fibers. It converts cotton into a more lustrous and durable material.

6. Soap and Detergent Production One of the most famous applications of sodium hydroxide is in the soap-making process. It is combined with fats and oils through saponification to produce soaps, making it essential for the personal care industry.

Safety and Handling While sodium hydroxide is indispensable in various applications, it is also important to acknowledge its hazardous nature. NaOH is highly corrosive, and contact with skin or eyes can lead to severe burns. Inhalation of its dust or mist can cause respiratory issues, and ingestion can result in serious health complications. Therefore, appropriate safety measures must be taken when handling sodium hydroxide, including the use of protective clothing, goggles, and respiratory protection when necessary.

Environmental Considerations The use and disposal of sodium hydroxide must be conducted responsibly to mitigate its environmental impact. When discharged into waterways, it can significantly alter pH levels, affecting aquatic life. Industries utilizing NaOH must adhere to regulations concerning its usage and disposal to prevent water pollution and maintain ecological balance.

Conclusion Sodium hydroxide, with its CAS number 1310-73-2, is an essential chemical that plays a vital role in a wide array of industrial applications. From chemical manufacturing to food processing, its versatility is unmatched. However, its corrosive nature necessitates careful handling and adherence to safety protocols. As industries continue to evolve, the importance of sodium hydroxide in production processes will likely remain significant, making it a staple chemical in modern manufacturing. Understanding its properties, uses, and safety protocols ensures that this powerful compound can be utilized effectively and responsibly, contributing to innovative solutions in various fields.

Calculating Volume from Weight of Sodium Bisulfate for Accurate Measurements

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