For chemists, research scientists, and product formulators, a thorough understanding of chemical properties is fundamental to innovation and successful product development. 4-(Methylmercapto)aniline, also known by its CAS number 104-96-1, is a chemical intermediate whose properties make it valuable in specific industrial applications, particularly within the realm of electronic chemicals. This article aims to provide a concise overview of its key characteristics for professionals in the field.

Chemical Identity and Structure

The chemical name 4-(Methylmercapto)aniline, or Benzenamine, 4-(methylthio)-, precisely describes its structure: an aniline ring substituted at the para position with a methylthio group (-SCH3). Its molecular formula is C7H9NS, and it has a molecular weight of approximately 139.23 g/mol. Common synonyms include 4-(methylthio)aniline, p-(methylthio)aniline, and p-thioanisidine. Understanding these various names is crucial when searching for technical data or when communicating with suppliers.

Physical Properties of Interest

The physical attributes of 4-(Methylmercapto)aniline are important for handling, storage, and formulation. It is typically described as a clear orange to brown-red liquid. Key physical properties include:

  • Boiling Point: Approximately 273.3 °C at 760 mmHg. This relatively high boiling point suggests low volatility under standard conditions.
  • Flash Point: 119.1 °C. This indicates its flammability characteristics, essential for safety assessments in manufacturing and laboratory settings.
  • Density: Around 1.12 g/cm³.
  • Solubility: While not explicitly detailed in all sources, many aromatic amines exhibit limited solubility in water but good solubility in organic solvents.

These properties are critical for professionals who need to buy 4-(Methylmercapto)aniline and integrate it into their processes.

Applications and Significance

The primary significance of 4-(Methylmercapto)aniline lies in its role as an intermediate in the synthesis of more complex molecules. It is particularly noted for its use in photoresist chemicals, which are vital for the semiconductor and electronics industries. Its structure can be incorporated into photoinitiators or other components that are sensitive to light, enabling precise pattern transfer in microelectronics fabrication. As such, finding a reliable manufacturer of CAS 104-96-1 is key for companies in this sector.

Procurement Considerations

When sourcing this chemical, professionals should look for suppliers that can provide detailed specifications and assurance of purity. The ability to purchase high-quality 4-(methylthio)aniline ensures that the end products meet the stringent requirements of the electronics industry. Engaging with experienced suppliers and understanding the associated price points for different quantities is part of prudent procurement.

In summary, a grasp of the physical and chemical properties of 4-(Methylmercapto)aniline provides essential knowledge for chemists and formulators. Its application in cutting-edge technologies underscores the importance of sourcing this compound from qualified and trustworthy sources.