1-Methyl-2-pyrrolidinone CAS 872-50-4

CAS Number :872-50-4
Other Name :
N-Methyl-2-pyrrolidinone;
N-Met
MF:C5H9NO

1-Methyl-2-pyrrolidinone (NMP), with the CAS number 872-50-4, is an organic compound characterized by its polar aprotic nature and high solvency. It is a colorless to light yellow liquid that is widely used across various industries due to its unique properties.
Chemical Properties
Molecular Formula: C5H9NO
Molecular Weight: Approximately 99.13 g/mol
Boiling Point: 396°F (approximately 202°C) at 760 mmHg
Melting Point: -24°C
NMP is known for its ability to dissolve a wide range of organic and inorganic compounds, making it an effective solvent in many applications, including polymer production and surface treatment of textiles and metals.
Applications
1-Methyl-2-pyrrolidinone is utilized in various processes, including:
Solvent in Chemical Reactions: It is commonly used as a solvent for the preparation of 2-aryl and 2-alkyl benzothiazoles.
Industrial Uses: NMP serves as a solvent in petrochemical processing, paint and coating removal, and as a pigment dispersant in the plastics and textiles industries.
Pharmaceutical Applications: It acts as a penetration enhancer and solubilizer in pharmaceutical formulations, enhancing the bioavailability of certain drugs.
Safety and Handling
While NMP is effective in many applications, it is important to handle it with care due to its potential health hazards. It can produce toxic fumes and may react violently with strong acids and bases. Proper safety measures should be taken when using this chemical in industrial settings.
In summary, 1-Methyl-2-pyrrolidinone (CAS 872-50-4) is a versatile solvent with significant applications in various fields, particularly in chemical synthesis, industrial processes, and pharmaceuticals.