1-Methyl-7-nitro-1H-indazole(CAS: 58706-36-8)

1-Methyl-7-nitro-1H-indazole is a solid with a crystalline form. It has a molecular weight of approximately 226.14 g/mol. This compound is slightly soluble in water but soluble in common organic solvents like ethanol and acetone. It is reactive towards reducing agents and shows some acidity, making it suitable for certain chemical transformations.

1-Methyl-7-nitro-1H-indazole is typically synthesized via the nitration of 1-methyl-1H-indazole. This involves treating 1-methyl-1H-indazole with a nitric acid mixture under reflux conditions. The reaction can be catalyzed by sulfuric acid, and the yield is generally around 70-80%. The nitration step is exothermic and requires careful temperature control to prevent side reactions.

1-Methyl-7-nitro-1H-indazole is used in the pharmaceutical industry as an intermediate in the synthesis of various drugs. It also finds applications in the polymer industry for the development of certain functional polymers and in the semiconductor industry for the fabrication of electronic devices. Additionally, it is utilized in the manufacturing of sensors and other industrial applications.

When handling 1-Methyl-7-nitro-1H-indazole, it is essential to use 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 cleaned up using appropriate absorbent materials and disposed of according to local regulations. Always consult the Safety Data Sheet (SDS) for detailed safety information and emergency procedures.