Overview
Vinylformamide (VFA) is an organic compound classified as a vinyl amide, widely utilized in industrial and laboratory settings. Its reactive double bond makes it a valuable monomer for polymerization reactions. The compound is synthesized through the reaction of formamide with acetylene or via catalytic processes. Due to its versatility, VFA is a critical intermediate in producing polyvinylformamide (PVFA) and other copolymers. These polymers find applications in water treatment, adhesives, and biomedical fields. Its commercial significance lies in its ability to introduce formamide groups into polymer chains, enhancing material properties.
Physical and Chemical Properties
Vinylformamide is a colorless to pale yellow liquid with a faint odor. It has a density of 0.96 g/cm³ and boils at approximately 70-72°C under reduced pressure. The compound is highly soluble in water and organic solvents like ethanol and acetone. Chemically, VFA is characterized by its vinyl group (–CH=CH₂), which readily undergoes addition reactions. It is sensitive to polymerization initiators, heat, and UV light, necessitating stabilized storage conditions. Its reactivity is exploited in radical polymerization to create linear or cross-linked polymers with tailored properties.
Main Applications
The primary use of vinylformamide is in polymer chemistry, where it acts as a monomer for synthesizing polyvinylformamide (PVFA). PVFA is employed as a flocculant in water treatment and a binder in paper coatings. VFA derivatives are also used in pharmaceuticals, particularly for drug delivery systems. Additionally, VFA serves as a building block for specialty chemicals, including adhesives and coatings. Its ability to copolymerize with acrylics and styrene enhances material flexibility and adhesion. In research, it is a precursor for synthesizing heterocyclic compounds and functionalized polymers.
Safety and Storage
Vinylformamide requires careful handling due to its irritant properties and sensitivity to polymerization. Direct contact with skin or eyes can cause irritation, necessitating PPE such as nitrile gloves and safety goggles. Work areas should be well-ventilated to avoid vapor inhalation. Storage recommendations include keeping the compound in amber glass or stainless-steel containers under nitrogen or argon to prevent degradation. Avoid exposure to heat, light, and incompatible substances like strong oxidizers. Shelf life is typically 6-12 months when stored properly.
B2B Procurement Guide
When procuring vinylformamide industrially, prioritize suppliers with certifications (e.g., ISO 9001) and transparent quality control. Request a Certificate of Analysis (COA) specifying purity (≥98%), residual monomers, and stabilizer content. Bulk shipments should include stability data and SDS. Pricing varies based on quantity and purity, with discounts for long-term contracts. Consider logistics: VFA is typically shipped in sealed drums or isotanks with temperature control. For R&D, smaller quantities (1-10 kg) are available from specialty chemical distributors.
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