Dimethylformamide

Structure of Dimethylformamide

Dimethylformamide (DMF) is an organic compound with the chemical formula (CH3)2NC(O)H. It is a colorless liquid that is miscible with water and most organic solvents. DMF is commonly used as a solvent in various industries, including pharmaceuticals, polymers, and electronics.

Properties

DMF has a boiling point of 153 °C and a melting point of -61 °C. It has a high dielectric constant, making it an excellent solvent for polar compounds. It is also highly stable, with a low vapor pressure and low flammability. DMF has a characteristic odor, which is often described as fishy or ammonia-like.

Uses

DMF has a wide range of applications due to its excellent solvent properties. It is commonly used as a reaction medium in organic synthesis, as it can dissolve a variety of organic compounds. It is also used as a solvent for cellulose-based materials, such as rayon and cellophane.

In the pharmaceutical industry, DMF is used as a solvent for drug synthesis and formulation. It is also used as a solubilizing agent for poorly soluble drugs. DMF is an important component in the production of various pharmaceutical intermediates and active pharmaceutical ingredients (APIs).

In the polymer industry, DMF is used as a solvent for the production of polyurethane and polyacrylonitrile fibers. It is also used as a spinning solvent for the production of synthetic fibers. DMF is known for its ability to dissolve a wide range of polymers, making it a versatile solvent in polymer processing.

Safety

DMF is classified as a hazardous substance due to its potential health effects. It can be absorbed through the skin, inhalation, or ingestion. Prolonged or repeated exposure to DMF can cause skin irritation, respiratory problems, and liver damage. It is important to handle DMF with proper safety precautions, including the use of protective clothing, gloves, and respiratory protection.

See also

• Solvent
• Organic synthesis
• Polymer processing