Butyl Acrylate Monomer
Butyl acrylate is an organic compound with the formula C4H9O2CCH=CH2. A colorless liquid, it is the butyl ester of acrylic acid. It is used commercially on a large scale as a precursor to poly(butyl acrylate). Especially as copolymers, such materials are used in paints, sealants, coatings, adhesives, fuel, textiles, plastics, and caulk.
Butyl acrylate can be produced by the acid-catalyzed esterification of acrylic acid with butanol. Since it polymerizes easily, commercial preparations may contain a polymerization inhibitor such as hydroquinone, phenothiazine, or hydroquinone ethyl ether.
Application
Used in the production of acrylic acid and its salts, esters, amides. When used in latex paint formulations acrylic polymers have good water resistance, low temperature flexibility and excellent weathering and sunlight resistance.
| Chemical formula | C7H12O2 |
|---|---|
| Molar mass | 128.171 g·mol−1 |
| Appearance | Clear, colorless liquid[ |
| Odor | Strong, fruity |
| Density | 0.89 g/mL (20°C) |
| Melting point | −64 °C; −83 °F; 209 K |
| Boiling point | 145 °C; 293 °F; 418 K |
| Solubility in water | 0.1% (20°C) |
| Solubility | ethanol, ethyl ether, acetone, carbon tetrachloride (slight) |
| Vapor pressure | 4 mmHg (20°C)[ |
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