2 - Methylimidazole (CAS 693 - 98 - 1) is a high - quality chemical product available at the best price. Its molecular formula is C4H6N2, and it has a molecular weight of approximately 82.10 g/mol. It appears as a white to light - yellow crystalline powder. The melting point of 2 - Methylimidazole is around 142 - 143 °C, and it has a boiling point of about 267.8 °C at 760 mmHg. It is soluble in water, ethanol, and ether, and has a density of approximately 1.078 g/cm³ at 25 °C. This product is typically stored in a cool, dry place away from sources of ignition and incompatible substances.
2 - Methylimidazole has a wide range of applications in various industries. In the field of epoxy resin curing, it is an excellent curing agent. Epoxy resins cured with 2 - Methylimidazole exhibit high mechanical strength, good chemical resistance, and excellent heat - resistance properties. This makes them suitable for use in coatings, adhesives, and composite materials. In the pharmaceutical industry, 2 - Methylimidazole is used as an intermediate for the synthesis of various drugs. It can be used to produce anti - fungal agents, anti - inflammatory drugs, and anti - tumor drugs. Additionally, it is also used in the production of dyes, pesticides, and rubber additives.
When using 2 - Methylimidazole as an epoxy resin curing agent, the appropriate dosage needs to be determined according to the type and properties of the epoxy resin. Generally, the dosage ranges from 3% to 7% of the mass of the epoxy resin. First, ensure that the epoxy resin and 2 - Methylimidazole are at room temperature. Then, add 2 - Methylimidazole to the epoxy resin slowly while stirring continuously to ensure uniform mixing. After mixing, the mixture should be used within the pot life to avoid premature curing. In the pharmaceutical synthesis, 2 - Methylimidazole should be used in a well - ventilated laboratory environment following strict chemical operation procedures. Appropriate protective equipment such as gloves and goggles should be worn. It is usually reacted with other raw materials under specific reaction conditions such as temperature, pressure, and catalysts.
Case 1: Epoxy Resin Coating
A paint manufacturer was looking for a curing agent to improve the performance of their epoxy resin coating. They chose 2 - Methylimidazole. By adding 5% 2 - Methylimidazole to their epoxy resin formulation, the cured coating showed excellent adhesion to various substrates, such as metal and concrete. It also had high hardness and good chemical resistance, passing the salt - spray test for over 500 hours. This made their coating suitable for use in harsh environments such as marine and industrial applications.
Caso 2: Síntesis farmacéutica
A pharmaceutical company was synthesizing a new anti - fungal drug. They used 2 - Methylimidazole as an intermediate. Through a series of chemical reactions under controlled conditions, they were able to obtain the target drug with high yield and purity. The final drug product showed strong anti - fungal activity in in - vitro and in - vivo tests, indicating the effectiveness of 2 - Methylimidazole in pharmaceutical synthesis.
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