3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine(CAS: 91331-68-9)

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine is a white crystalline solid with a molecular weight of approximately 213.24 g/mol. It is slightly soluble in water and has good solubility in organic solvents like ethanol and acetone. This compound is known for its strong reactivity, particularly towards nucleophiles and electrophiles. It is also prone to hydrolysis under acidic conditions.

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine is synthesized via a multi-step reaction involving the coupling of 2-methylphenylamine with 3-formylpyrazole. The reaction typically proceeds in the presence of a suitable catalyst, such as a palladium complex, and requires optimization for selectivity and yield. The product is purified by recrystallization from an appropriate solvent.

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine is primarily used in the pharmaceutical industry for its pharmacological properties, particularly in the development of antifungal and antiviral drugs. It is also utilized in the production of certain polymers and in the fabrication of sensors due to its unique chemical reactivity.

When handling 3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine, it is essential to use appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Work should be conducted in a fume hood to minimize exposure. Spills should be handled with caution using appropriate absorbents, and proper disposal methods should be followed. Always refer to the Material Safety Data Sheet (MSDS) for detailed safety information and guidelines.