N~1~-Methyl-4-nitro-1,2-benzenediamine(CAS: 41939-61-1)

N~1~-Methyl-4-nitro-1,2-benzenediamine (CAS: 41939-61-1) is a crystalline solid with a molecular weight of approximately 188.12 g/mol. It has a pKa of 4.5 and is poorly soluble in water but soluble in organic solvents such as ethanol and methanol. The compound is stable under normal conditions but can react with reducing agents. Its solubility in water is less than 1 g/L at 25°C.

N~1~-Methyl-4-nitro-1,2-benzenediamine can be synthesized through a series of reactions, including the nitration of 1,2-benzenediamine followed by methylation. Common methods involve the use of nitric acid and sulfuric acid as reagents. The reaction is exothermic, and proper cooling and handling of reactants are necessary to ensure safety and yield.

N~1~-Methyl-4-nitro-1,2-benzenediamine (CAS: 41939-61-1) is primarily used in the pharmaceutical industry as an intermediate for the synthesis of various drugs. It also finds applications in the manufacture of dyes, pigments, and as a component in some industrial catalysts. Its use in electronics and semiconductors is limited due to its chemical reactivity.

When handling N~1~-Methyl-4-nitro-1,2-benzenediamine (CAS: 41939-61-1), it is crucial to use personal protective equipment (PPE) such as gloves, goggles, and a lab coat. The compound should be used in a well-ventilated area or a fume hood due to its potential to release nitrogen oxides. Spills should be handled by collecting the solid and disposing of it according to local regulations. Always refer to the Safety Data Sheet (SDS) for detailed handling and disposal instructions.