BDO and Its Derivatives, High-Purity Solvents

N-Vinyl Pyrrolidone (NVP)

N-Vinyl-2-pyrrolidone, commonly identified by CAS No. 88-12-0, is a versatile organic compound characterized as a colorless to yellowish liquid with a distinct odor. As a key heterocyclic monomer, NVP is highly reactive due to its vinyl functional group, which facilitates rapid polymerization under free-radical conditions. It is completely miscible with water and a wide range of organic solvents, including alcohols, ethers, and chlorinated hydrocarbons. Chemically, it consists of a five-membered lactam ring attached to a vinyl group, providing unique dipolar characteristics and high hydrophilicity. This monomer serves as the fundamental building block for polyvinylpyrrolidone (PVP) and various specialty copolymers. Its ability to impart biocompatibility, adhesiveness, and solubility makes it indispensable in advanced material science. While it is sensitive to light and moisture, requiring stabilization with inhibitors like sodium hydroxide or Kerobit, its utility in enhancing polymer performance remains unparalleled across industrial, pharmaceutical, and consumer applications. It provides exceptional structural integrity.

Attributes

Key Features and Benefits

High Reactivity: The vinyl group enables rapid homopolymerization and copolymerization with diverse monomers like acrylic acid and vinyl acetate.
Exceptional Solubility: Demonstrates total miscibility in water and numerous polar or non-polar organic solvents, aiding formulation flexibility.
Strong Adhesion: Imparts superior bonding strength when incorporated into UV-curable coatings, inks, and structural adhesives for various substrates.
Biocompatibility: Acts as a non-toxic precursor for polymers used in medical devices and pharmaceutical delivery systems due to low irritation.
Thermal Stability: Enhances the glass transition temperature and heat resistance of final polymer products, improving durability in harsh environments.

Specifications

Technical Highlights

Molecular Formula and Weight: C6H9NO with a molar mass of 111.14 g/mol, appearing as a clear, colorless liquid.
Physical Constants: Boils at approximately 214-215°C at atmospheric pressure and possesses a freezing point around 13-14°C.
Purity Standards: Typically supplied at >99.0% purity with water content maintained below 0.1% to prevent premature hydrolysis or degradation.
Flash Point: Classified as having a flash point of 95°C (closed cup), requiring standard precautions for flammable liquid handling.
Viscosity and Density: Exhibits a dynamic viscosity of 2.1 mPa·s and a density of 1.04 g/cm³ at 20°C.

Download Technical Data Sheet (TDS)

Practical industry uses

Applications

UV-Curable Coatings: Extensively used as a reactive diluent in UV and EB curing systems to improve cure speed and hardness.
Pharmaceutical Excipients: Serves as the primary raw material for PVP, used as a tablet binder and drug solubilizer.
Personal Care: Integrated into hair gels, sprays, and skin creams to provide film-forming properties and moisture retention.
Industrial Adhesives: Utilized in the synthesis of pressure-sensitive adhesives and hot-melt formulations for automotive and electronics sectors.
Printing Inks: Added to inkjet and screen-printing inks to enhance pigment dispersion, substrate adhesion, and overall print quality.