What is N-Methylaniline CAS 100-61-8?

N-Methylaniline CAS 100-61-8 is an organic compound classified as an aromatic amine. It consists of a benzene ring attached to an amine group where one hydrogen atom is replaced by a methyl group. This simple modification gives it unique properties that make it a valuable industrial component.

Chemical Properties

This compound is known for its moderate boiling point (196–198°C) and slight solubility in water. It readily mixes with organic solvents, making it an excellent intermediate in complex chemical reactions.

Production of N-Methylaniline

Methods of Synthesis

N-Methylaniline is typically synthesized through the methylation of aniline using methylating agents like dimethyl sulfate or methanol. The reaction is straightforward and cost-effective.

Industrial Production Processes

Industries often use catalytic methods to enhance yield and reduce byproducts. These methods ensure consistent quality, crucial for applications in sensitive sectors like pharmaceuticals.

Applications of N-Methylaniline

Uses in Chemical Industries

One of the primary roles of N-Methylaniline is as an intermediate in synthesizing other chemicals. It serves as a starting material in creating more complex compounds.

Role in Pharmaceuticals

Pharmaceutical companies rely on this compound to develop drugs that treat various conditions. Its stability and reactivity make it ideal for synthesizing active pharmaceutical ingredients (APIs).

Importance in Dyes and Pigments

If you’ve ever admired a vibrant piece of fabric, chances are N-Methylaniline played a part in its creation. It acts as a precursor in the production of azo dyes, which are responsible for intense and long-lasting colors.

Role in Agrochemicals

Farmers benefit from agrochemicals that rely on N-Methylaniline for synthesis. Herbicides and pesticides containing this compound help enhance crop yield and protection.

Physical and Chemical Properties

Molecular Weight and Appearance

With a molecular weight of 121.18 g/mol, N-Methylaniline appears as a clear to slightly yellow liquid with a faint amine-like odor.

Solubility and Reactivity

While sparingly soluble in water, it dissolves well in ethanol, benzene, and other organic solvents. Its reactivity is moderate, making it suitable for controlled chemical transformations.

Safety Measures and Handling

Health Risks

Direct exposure can lead to skin irritation, respiratory issues, or other health concerns. Always follow safety protocols when dealing with this chemical.

Safe Storage and Transportation

Store N-Methylaniline in a cool, dry place away from direct sunlight. Use leak-proof containers to prevent spills during transport.

Guidelines for Personal Protective Equipment (PPE)

Ensure workers wear gloves, goggles, and respirators when handling this compound. Proper training is essential to minimize risks.

Environmental Impact

Disposal Challenges

Improper disposal of N-Methylaniline can contaminate soil and water. Always adhere to environmental regulations when discarding waste.

Sustainable Alternatives

Researchers are exploring bio-based alternatives to reduce reliance on synthetic chemicals. These innovations aim to lower environmental footprints without compromising effectiveness.

Market Trends and Demand

Current Demand and Global Supply

The global demand for N-Methylaniline continues to rise, driven by growth in pharmaceuticals and dye industries. Asia-Pacific regions dominate production due to their established chemical manufacturing infrastructure.

Regional Insights

Countries like China and India lead the market, thanks to their cost-effective production techniques and high consumption rates.

Forecast for the Future

Experts predict steady growth in the N-Methylaniline market, fueled by technological advancements and emerging applications in new sectors.

Conclusion

N-Methylaniline (CAS 100-61-8) is a critical player in the chemical industry, offering versatility across numerous applications. From creating life-saving drugs to vibrant dyes, its contributions are invaluable. However, safe handling and environmental considerations remain paramount as its use expands globally.


FAQs

  1. What is the primary use of N-Methylaniline?
    It is mainly used as an intermediate in pharmaceuticals, dyes, and agrochemicals.
  2. Is N-Methylaniline hazardous?
    Yes, it can cause health issues if not handled properly. Always follow safety guidelines.
  3. How is N-Methylaniline stored?
    Store it in a cool, dry place away from direct sunlight and in sealed containers.
  4. What industries benefit most from N-Methylaniline?
    Pharmaceuticals, dyes, and agricultural sectors are the primary beneficiaries.
  5. Are there eco-friendly alternatives to N-Methylaniline?
    Research is ongoing to develop bio-based substitutes with lower environmental impacts.