Overview
3-Vinylpyridine is an organic compound belonging to the pyridine family, characterized by a vinyl group attached to the 3-position of the pyridine ring. It is a versatile intermediate in chemical synthesis, particularly valued for its ability to form copolymers with other vinyl monomers. This compound is commercially significant due to its role in producing specialty polymers and resins. Its reactivity makes it useful in creating materials with tailored properties for industrial applications.
Physical and Chemical Properties
3-Vinylpyridine is a colorless to pale yellow liquid with a distinct pyridine-like odor. It has a molecular weight of 105.14 g/mol and a density of 0.988 g/cm³. The compound is highly soluble in organic solvents but only slightly soluble in water. Its key chemical feature is the reactive vinyl group, which participates in polymerization reactions. The pyridine ring contributes to its basicity and ability to form coordination complexes. The compound is sensitive to light and air, often requiring stabilizers for long-term storage.
Main Applications
The primary use of 3-vinylpyridine is in polymer chemistry, where it serves as a comonomer to produce specialty resins and adhesives. These polymers find applications in coatings, ion-exchange resins, and biomedical materials. In the pharmaceutical industry, it acts as a building block for drug synthesis. The compound is also used to modify surface properties of materials and in the production of specialty rubbers with improved oil resistance.
Safety and Storage
As a flammable liquid, 3-vinylpyridine requires careful handling. It should be stored in tightly sealed containers in cool, well-ventilated areas away from ignition sources. The compound can cause skin and eye irritation, necessitating proper personal protective equipment. Decomposition may occur at high temperatures, producing toxic fumes including nitrogen oxides. Spills should be contained using inert absorbents and disposed of according to local regulations. Commercial grades often contain inhibitors to prevent polymerization during storage.
B2B Procurement Guide
When sourcing 3-vinylpyridine, buyers should verify the product's purity level, typically ranging from 98% to 99.5% for different applications. Technical grades may contain stabilizers that affect subsequent reactions. Reliable suppliers should provide material safety data sheets and certificates of analysis. Bulk purchases may offer cost advantages, but storage capacity and shelf life should be considered. Transportation requires hazardous material classification and proper packaging.
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