Solid Sodium Ethylate with the CAS number 141 - 52 - 6 is a significant chemical product in the industry. It is also known as sodium ethoxide, and its molecular formula is C₂H₅ONa. The molar mass of this compound is approximately 68.05 g/mol.
It appears as a white or yellowish powder. Regarding its physical properties, it has a melting point around 260°C. It is highly reactive with water, decomposing to form ethanol and sodium hydroxide. The density of sodium ethylate is about 0.868 g/cm³ at 20°C. This product is usually supplied in solid form by the factory, which allows for easier storage and transportation compared to its liquid counterparts in some situations.
Solid Sodium Ethylate has a wide range of applications in various industries. In the pharmaceutical industry, it serves as a crucial intermediate in the synthesis of many drugs. For example, it can be used in the production of sedatives and anti - inflammatory drugs. The alkaline nature of sodium ethylate facilitates certain chemical reactions that are essential for the formation of specific drug molecules.
In the field of organic synthesis, it is a powerful base. It is commonly used in reactions such as the Claisen condensation, which is important for the formation of carbon - carbon bonds in organic compounds. It can also be used in the alkylation reactions, enabling the introduction of alkyl groups to different organic substrates.
In the production of biodiesel, solid sodium ethylate can be used as a catalyst. It helps in the transesterification process, where triglycerides in vegetable oils or animal fats react with an alcohol to form biodiesel and glycerol.
When using solid sodium ethylate, it is crucial to follow strict safety precautions. First of all, it should be stored in a dry and cool place, away from moisture and heat sources. Before use, ensure that all equipment is clean and dry.
When handling this product, appropriate personal protective equipment (PPE) should be worn, including safety goggles, chemical - resistant gloves, and a lab coat. If it comes into contact with skin or eyes, immediately rinse with a large amount of water and seek medical attention.
In a reaction setup, it is usually added slowly to the reaction mixture to avoid excessive heat generation due to its exothermic reaction with other substances. The amount of sodium ethylate used should be carefully calculated according to the stoichiometry of the reaction.
Case 1: Pharmaceutical Synthesis
A pharmaceutical company was synthesizing a new anti - anxiety drug. They used solid sodium ethylate as a base in a key step of the synthesis process. In a 500 - liter reactor, they added 10 kg of a specific organic compound and then slowly added 2 kg of solid sodium ethylate over a period of 2 hours while maintaining the temperature at 50°C. After a reaction time of 6 hours, they successfully obtained the desired intermediate with a yield of 85%. This intermediate was then further processed to form the final drug product.
Case 2: Biodiesel Production
A biodiesel manufacturing plant used solid sodium ethylate as a catalyst. They had a continuous - flow reactor system. They mixed 1000 liters of soybean oil with 200 liters of methanol and added 5 kg of solid sodium ethylate. The reaction was carried out at 60°C for 3 hours under continuous stirring. After the reaction, they were able to separate the biodiesel layer from the glycerol layer. The biodiesel produced met the industry - standard quality requirements, and the production process was efficient and cost - effective.
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