BDO and Its Derivatives, High-Purity Solvents

N-Methyl-2-pyrrolidone (NMP)

N-Methyl-2-pyrrolidone, commonly known as NMP, is a powerful and versatile polar aprotic solvent characterized by its high boiling point and exceptional solvency properties. Belonging to the pyrrolidone family, this colorless to light yellow liquid possesses a faint amine-like odor and is fully miscible with water and most organic solvents. Its molecular formula is C5H9NO, and it is widely recognized for its high thermal stability and low volatility. NMP serves as a critical industrial chemical across various sectors, ranging from petrochemical processing to advanced electronics manufacturing. Due to its unique ability to dissolve a vast array of polymers and inorganic materials, it is indispensable in many high-tech applications. Despite its efficacy, regulatory scrutiny has increased regarding its health and environmental profile, leading to strict handling guidelines. Nevertheless, NMP remains a benchmark solvent for demanding chemical processes where high purity, recyclability, and superior performance are paramount for industrial efficiency and product quality.

Attributes

Key Features and Benefits

Exceptional Solvency: Dissolves numerous organic and inorganic substances, including difficult-to-dissolve polymers like PVDF.
High Flash Point: Features a high flash point of approximately 91°C, enhancing safety compared to volatile alternatives.
Low Vapor Pressure: Low evaporation rates reduce worker exposure and minimize atmospheric emissions during industrial processing.
Excellent Thermal Stability: Remains chemically stable at high temperatures, making it ideal for hot processing environments.
Full Water Miscibility: Easily diluted or rinsed with water, facilitating straightforward cleaning and recovery cycles in manufacturing.
Biodegradability: Demonstrates reasonable biodegradability under specific conditions, supporting environmental waste management protocols.

Specifications

Technical Highlights

Molecular Weight: 99.13 g/mol with a boiling point of 202°C at 760 mmHg pressure levels.
Density: Measured at 1.03 g/cm³ at room temperature, providing consistent mass-to-volume ratios for precision dosing.
Surface Tension: Low surface tension allows for superior wetting of substrates, critical for thin-film electronic coating.
Dielectric Constant: High dielectric constant supports its use in electrochemical applications and battery slurry production.
Purity Levels: Available in electronic grade with metallic impurities restricted to parts-per-billion levels for semiconductor use.
Viscosity: Low viscosity of 1.65 cP ensures easy pumping and filtration in large-scale industrial operations.

Download Technical Data Sheet (TDS)

Practical industry uses

Applications

Lithium-ion Batteries: Primary solvent for cathode binder dissolution, ensuring uniform electrode coating and high energy density.
Electronics: Essential for photoresist stripping and wafer cleaning in semiconductor fabrication and flat panel display production.
Petrochemicals: Used in extractive distillation to separate aromatics and butadiene from complex hydrocarbon feedstock streams efficiently.
Coatings: Acts as a powerful coalescing agent in wire enamel coatings and high-performance polyimide film production.
Agrochemicals: Effective solvent and carrier for active ingredients in pesticides, herbicides, and fungicides for agricultural use.
Pharmaceuticals: Solvent for synthesis reactions and purification processes in the manufacture of complex medical drugs.