CAS 108-05-4 Vinyl Acetate Monomer (VAM) is a colorless flammable liquid with sweet ether flavor. There are several different raw materials such as acetylene method, ethylene method, acetaldehyde acetic anhydride and so on. The route of ethylene raw materials is different according to the process, and there are different methods such as ethylene gas phase method and ethylene liquid phase method.
CAS No 108-05-4 Vinyl Acetate Monomer (VAM) - Properties
Physical Properties
- Appearance: Clear, colorless, mobile liquid.
- Odor: Sweet, fruity, pungent, and easily noticeable.
- Molecular Formula: C₄H₆O₂
- Molecular Weight: 86.09 g/mol
- Boiling Point: 72.7°C (162.9°F)
- Melting Point: -93°C (-135°F)
- Density: 0.93 g/cm³ at 20°C
- Vapor Pressure: 115 mmHg at 20°C (highly volatile)
- Flash Point: -8°C (18°F) – Highly flammable liquid.
- Solubility: Slightly soluble in water (~2% at 20°C); miscible with most organic solvents (alcohols, ethers, ketones, aromatic hydrocarbons).
CAS No 108-05-4 Vinyl Acetate Monomer (VAM) - Applications
Adhesives & Binders (~40% of global use): The largest market. Polymerized into Polyvinyl Acetate (PVA) for water-based "white glues" (woodworking, packaging, paper), and into copolymers for industrial adhesives.
Surface Coatings (~25%): Used in paints, paper coatings, and textile finishes to provide gloss, binding, and water resistance.
Polymers & Plastics (~25%):
- Ethylene-Vinyl Acetate (EVA): A crucial copolymer. Used for:
- Foam Products: Sports shoe soles, yoga mats, padding.
- Solar Panels: Encapsulation film that protects photovoltaic cells.
- Hot-Melt Adhesives: For packaging and product assembly.
- Flexible Films: Food packaging, cling film.
- Polyvinyl Alcohol (PVOH): Made from PVA, used in water-soluble films (laundry detergent pods), fibers, and as a thickener.
Other (~10%): Includes minor uses in safety glass interlayers, chewing gum base, and as an intermediate for other chemicals.
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