Basic Info:

  • Chemical Synonym(s): N-methyl-pyrrolidinone; N-methyl-2-pyridone-5-carboxamide; 1-methylpyrrolidin-2-one; N-methyl-pyrrolidin-2-one; 1-Methyl-2-pyrrolidinone
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  • CAS Number: 872-50-4
  • Chemical Formula:


  • MSDS: Download


Vapor density
3.4 (vs air)
Vapor pressure
0.29 mm Hg ( 20 °C)
8.5-10.0 (100g/l, H2O, 20℃)
Explosive limit
Boiling Point
Melting Point
Flash Point
Water Solubility
>=10 g/100 mL at 20 ºC
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Our company began its operation on organic solvents in 2014, and there are currently five megaton scale plants collaborating, located in Yangzhou, Shandong, Ningxia Chemical Parks in Jiangsu, China.
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We have a 20+ year track record of working with suppliers in China and rating reports on them, and we keep our suppliers updated with the latest news so our customers can get the latest supplier reports. We know the market well and have early warning notifications on upstream raw material prices to help you build a stable supply chain.

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We have a long-term stable cooperation with GLP laboratories, encounter customer test results and supplier test results do not match the situation, we will commission a third party to test to ensure the accuracy, authenticity and reliability of the experimental results. In this way, we can effectively control the product quality problems.

We have a long-term cooperative warehouse and can follow up packaging and labeling according to safety regulations and customer requirements. In order to effectively prevent damage to the goods in transit, we have prepared various reinforcement measures and packaging solutions.

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Methylpyrrolidone,  known as N-methyl-2-pyrrolidone or simply pyrrolidone, also known as NMP, is a chemical used to produce numerous products.

It is produced by the reaction between ammonia and methanol in the presence of a solid acid catalyst. The response also makes it of pyrolysis or dehydrochlorination of pyridine or other aliphatic amines. It is a colorless, clear, viscous liquid that dissolves in water and many organic solvents.

MP has attracted attention because of its unusual ability to lower surface tension in water; it is therefore used as a wetting agent. On its own, it can be harmful if consumed or inhaled.


Methylpyrrolidone is an excellent solvent to dissolve many polymers, resins, grafting monomers, water-based dispersions, etc.

It is also used as a reactive diluent to enhance the reactivity of epoxy resins, urea-formaldehyde resins, methyl methacrylate, etc. It is also used as a dope carrier for many epoxy resins.

It has good volatility at moderate temperatures. It has excellent drying power. It is widely used in electronics, electric appliances, paint, fiber, plastics, etc.

It's classified as a viscosity control agent and used for emulsifying petrochemical feedstocks, solvents, crudes, and other substances.

It's used as a physical property modifier in enhanced oil recovery, too. It's often used as a personal care ingredient in hair care products and antiperspirants, shaving gels, aftershaves, nail care products, and other cosmetic items.

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