1,3-Dimethyl-1H-pyrazol-5-amine(CAS: 3524-32-1)

1,3-Dimethyl-1H-pyrazol-5-amine (CAS: 3524-32-1) is a crystalline solid with a molecular weight of approximately 123.15 g/mol. It is slightly soluble in water and ethanol. Chemically, it is moderately reactive, particularly in acidic solutions where it can undergo deamination. It has a melting point of around 98-100°C and exhibits basic properties due to the amine group.

1,3-Dimethyl-1H-pyrazol-5-amine (CAS: 3524-32-1) can be synthesized via the Biginelli reaction, where 5-aminomethyl-3-methylpyrazole reacts with methyl acetoacetate in the presence of an acid catalyst such as sulfuric acid. The reaction is carried out at temperatures between 80-100°C, and the yield can be up to 90% depending on the purity of the starting materials.

1,3-Dimethyl-1H-pyrazol-5-amine (CAS: 3524-32-1) is primarily used in the pharmaceutical industry for the synthesis of various drugs. It is also utilized in the polymer industry for the production of special polymers and in the sensor industry for detecting specific gases. Additionally, it finds applications in the semiconductor industry for certain fabrication processes.

When handling 1,3-Dimethyl-1H-pyrazol-5-amine (CAS: 3524-32-1), wear appropriate personal protective equipment (PPE) such as gloves, safety goggles, and a lab coat. Work in a well-ventilated area or under a fume hood. In case of spill, neutralize any acidic residues with a base before cleaning up. Refer to the Safety Data Sheet (SDS) for specific handling instructions and emergency procedures.