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N-Methyl-2-Pyrrolidone (NMP)
N-Methyl-2-Pyrrolidone (NMP)

CAS Number: 872-50-4

Chemical Synonym: 1-Methyl-2-pyrrolidone; N-Methylpyrrolidone; N-Methylpyrrolidinone; NMP; 1-Methyl-2-pyrrolidone

Applications/Uses
  • Agrochemical industry
  • Chemicals and Pharmaceuticals
  • Electronics industry
  • Paints, coatings & resins
  • PU Coatings & Synthetic leather
Product Description

N-Methyl-2-Pyrrolidone (NMP) is a high boiling, polar aprotic, low viscosity liquid. NMP has a good solvency for a wide range of organic and inorganic compounds and it is miscible with water at all temperatures and has a high chemical and thermal stability. It is used as a solvent for engineering polymers and coating resins. The polar nature and the low surface tension of NMP makes it also an excellent cleaning medium and paint stripping solvent.

NMP is a powerful solvent with a low volatility used for a wide range of chemicals and finds its application among others in:

Petrochemical processing:
NMP is used as extraction medium in several industrial processes because of its affinity for unsaturated hydrocarbons and aromatics, for example butadiene recovery, BTX extraction, lube oil purification, ...

As illustration for the strong selectivity of NMP towards acetylene, the table below shows the solubility of acetylene in various solvents.

Solvent

K value
(1 atm ml gas/ ml solvent, at 20°C)

Boiling point

NMP

43

204°C

DMF

36

153°C

Aceton

17.5

56.5°C

BLO

17

204°C

Cyclohexanone

14

155°C

Electronics:
NMP is used as photoresist stripper, for defluxing, degreasing and cleaning.
NMP is a solvent for the production of FCCL, polyamide/polyimide wire enamels, epoxy and polyurethane coatings, ...

Pharmaceuticals:
NMP can be used as solvent, extraction medium, …

Industrial and household cleaning:
NMP is used for paint stripping, in graffiti removers, oven cleaners, in automotive and industrial cleaner formulations, ...

Agrochemicals:
NMP can be used as solvent during synthesis or as a formulation agent.


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Regulatory Information

    Literature
     
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