ធ្នូ . 10, 2024 15:49 Back to list

cas number 7757 79 1

Understanding the Substance with CAS Number 7757-79-1 Sodium Sulfate

Chemical substances play a crucial role in various industries, research, and daily life. One such substance is Sodium Sulfate, known by its Chemical Abstracts Service (CAS) number 7757-79-1. Understanding its properties, uses, and safety measures is essential for anyone working in fields such as chemistry, industrial manufacturing, or environmental science.

What is Sodium Sulfate?

Sodium sulfate (Na2SO4) is an white crystalline solid that is highly soluble in water. It consists of two sodium ions (Na+) and one sulfate ion (SO4^2-). The compound occurs naturally in several mineral forms, such as thenardite and mirabilite. It is a neutral salt, commonly produced through various industrial processes or extracted from evaporated sea water or saline lake deposits.

Physical and Chemical Properties

Sodium sulfate is characterized by its high solubility in water, with a solubility of about 28.8 g per 100 mL at 20°C. It has a melting point of 884°C and can decompose at higher temperatures. The hydrated form, known as sodium sulfate decahydrate (Na2SO4·10H2O), is often seen in applications where moisture retention is needed. In its anhydrous form, it appears as a white crystalline powder, while the decahydrate appears as large white crystals, which can be mistaken for salt.

Uses of Sodium Sulfate

Sodium sulfate serves a multitude of purposes in both industrial and domestic settings

1. Textile Industry Sodium sulfate is used in dyeing and printing textiles. It helps in the fixation of dyes on fabrics, allowing for vibrant and long-lasting colors.

2. Detergents and Soaps In the manufacture of detergents, sodium sulfate acts as a filler and stabilizer. It helps to provide the desired consistency and efficacy of powdered detergents.

cas number 7757 79 1

3. Glass Manufacturing In glass production, sodium sulfate acts as a flux, lowering the melting temperature of silica. This property enhances the manufacturing efficiency, making it an important component in the production of glass products.

4. Food Industry Sodium sulfate can also be found in the food industry, where it is sometimes used as a food additive or in food processing.

5. Laboratory Use In laboratories, sodium sulfate is often used as a drying agent for organic solutions due to its ability to absorb moisture effectively.

Environmental Considerations

Sodium sulfate is generally considered safe and non-toxic in small quantities. However, large-scale production and disposal can have environmental implications. When released into waterways, high concentrations can affect aquatic life and water quality. Therefore, it is crucial to adhere to regulations regarding the handling and disposal of sodium sulfate, particularly in industrial contexts.

Safety Measures

While sodium sulfate is not classified as hazardous, standard safety precautions should still be observed when handling this substance. It is advisable to wear gloves and eye protection to avoid any potential irritation. In case of ingestion or exposure, it is important to seek medical advice and follow proper first aid measures.

Conclusion

Sodium sulfate (CAS number 7757-79-1) is a versatile chemical with a wide range of applications across various industries. From the textile industry to glass manufacturing, its unique properties make it an essential compound. Understanding the uses and safety measures related to sodium sulfate is crucial for those who work with this substance, ensuring both effective application and environmental responsibility. With its growing utilization, continued research into its properties and effects will contribute to safer and more efficient practices in its applications.

dap

etp chemicals supplier