What is N-Methyl-2-Pyrrolidone?

N-methyl-2-pyrrolidone (NMP) is an organic compound that is a colorless liquid with a faint amine odor. Its chemical formula is C5H9NO and it is sometimes referred to as 1-methyl-2-pyrrolidone. NMP is a derivative of pyrrolidone, which is a heterocyclic compound containing both nitrogen and oxygen.

Properties of NMP

N-Methyl Pyrrolidone has favorable solvent properties such as high miscibility with water, hydrocarbons, and chlorinated hydrocarbons. It has a high flash point of roughly 130°C, making it safer to use than many organic solvents. Some key properties of NMP include:

- High polarity and solubility: NMP can dissolve a wide range of organic and inorganic compounds including fats, waxes, and resins.

- Low volatility: It has a high boiling point of around 202°C, so it evaporates slowly at room temperature.

- Thermal stability: NMP is stable at high temperatures and pressures, allowing industrial processes to operate at elevated conditions.

- Biodegradability: Studies show NMP can biodegrade under both aerobic and anaerobic conditions, breaking down into carbon dioxide, water and simpler compounds.

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