What is VAM in chemicals?
In the chemical industry, VAM stands for vinyl acetate monomer, which is the industrial designation for vinyl acetate (CAS 108-05-4). It is a high-volume petrochemical product categorized as an unsaturated ester monomer, characterized by its reactive double bond that enables polymerization.
Product Name: Vinyl Acetate Monomer
Chemical Formula: C4H6O2
Synonyms: Acetic acid ethenyl ester, VAM
CAS Number: 108-05-4
Recommended Use: Raw material in production of polyvinyl acetate, adhesives, paints, textiles
| Appearance: | Clear, colorless liquid |
| Odor: | Sweet, ester-like |
| Melting Point, °C: | –93 |
| Boiling Point, °C: | 72–73 |
| Density, g/cm³ (at 20°C): | 0.934 |
| Flash Point, °C: | –8 (closed cup) |
| Refractive Index (20°C): | 1.394 |
| pH (1% solution): | ~5.0–6.0 |
| Vapor Pressure (at 20°C): | 90 mmHg |
| Purity, %: | ≥99.5 |
What is vAM chemical used for?
CAS 108-05-4 VAM chemical is widely used in the manufacturing of polyvinyl acetate emulsions, which find applications in adhesives, paints, coatings, and textiles. The copolymerization of VAM with other monomers, such as ethylene, creates ethylene-vinyl acetate (EVA) copolymers, which have excellent flexibility, adhesion properties, and low-temperature resistance. EVA is extensively used in various industries, including footwear, packaging, wire and cable insulation, and solar cell encapsulation, among others.
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