Mesitylene, with the CAS number 108 - 67 - 8, is a colorless liquid with a pleasant aromatic odor. It belongs to the class of aromatic hydrocarbons. The molecular formula of mesitylene is C₉H₁₂, and its molecular weight is approximately 120.19 g/mol. It has a boiling point of around 164 - 167 °C and a melting point of -44.7 °C. The density of mesitylene is about 0.863 g/mL at 25 °C. It is insoluble in water but soluble in many organic solvents such as ethanol, ether, and chloroform. High - quality mesitylene is produced under strict manufacturing processes to ensure its purity, which can meet various industrial and research requirements.
Mesitylene has a wide range of applications in different fields. In the chemical industry, it serves as an important intermediate for the synthesis of various chemicals. It can be used to produce dyes, where it participates in the chemical reactions to form the chromophores of dyes, giving the dyes specific colors and properties. It is also used in the production of pesticides, helping to create effective active ingredients that can control pests and protect crops. In the field of plastics and polymers, mesitylene can be used as a solvent or a modifier to improve the performance of plastics, such as enhancing their solubility, flexibility, and heat resistance.
When using mesitylene, proper safety precautions should be taken. First, ensure that the working environment is well - ventilated to prevent the accumulation of mesitylene vapors. Wear appropriate personal protective equipment, including safety goggles, gloves, and a lab coat. When handling mesitylene, use suitable containers made of materials that are resistant to its corrosion, such as glass or certain types of plastics. For storage, keep it in a cool, dry, and well - ventilated place, away from sources of ignition and direct sunlight. When using it in chemical reactions, follow the specific reaction procedures. Add mesitylene slowly and carefully, and monitor the reaction conditions such as temperature and pressure to ensure the reaction proceeds smoothly.
Case 1: Dye Synthesis
A chemical company was developing a new type of blue dye. They used mesitylene as an intermediate in the reaction. First, mesitylene was reacted with a specific aromatic amine under controlled temperature and pressure conditions. The reaction took place in the presence of a catalyst, which accelerated the formation of the desired intermediate product. This intermediate was then further reacted with other chemicals to form the final blue dye. The high - quality mesitylene ensured the purity of the intermediate and the final dye product, resulting in a dye with excellent color fastness and brightness.
Case 2: Pesticide Production
In a pesticide manufacturing plant, mesitylene was used to synthesize a novel insecticide. It was combined with other organic compounds in a multi - step reaction process. The solubility of mesitylene in organic solvents made it easy to mix with other reactants, and its chemical stability ensured that the reaction could be carried out efficiently. The resulting insecticide was found to be highly effective in controlling a variety of pests in agricultural fields, and its low toxicity to non - target organisms made it an environmentally friendly choice.
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