Chemical Structure & Properties

  • Molecular Formula: C₇H₁₂O₂

  • CAS Number: 141-32-2

  • Boiling Point: 145–148°C

  • Flash Point: 40°C

  • Density: 0.89 g/mL at 20°C

  • Solubility: Slightly soluble in water; miscible with most organic solvents

  • Polymerization Inhibitors: Typically stabilized with hydroquinone monomethyl ether (MEHQ), hydroquinone, or butylated hydroxytoluene (BHT) to prevent premature polymerization 

🏭 Industrial Applications

1. Polymer Monomers for Fibers, Rubber, and Plastics

Butyl acrylate is a key component in the synthesis of copolymers for various applications:

  • Fibers: Enhances flexibility and durability in synthetic fibers.

  • Rubber: Improves elasticity and weather resistance in rubber products.

  • Plastics: Contributes to the toughness and impact resistance of plastics.

2. Adhesives and Sealants

In the adhesives industry, butyl acrylate imparts:

  • Tackiness: Ensures immediate adhesion.

  • Flexibility: Accommodates substrate movement.

  • Water Resistance: Enhances durability in moist environments.

3. Coatings

Butyl acrylate is utilized in coatings for:

  • Architectural Paints: Provides weather resistance and flexibility.

  • Automotive Finishes: Offers durability and gloss retention.

  • Industrial Coatings: Ensures adhesion and corrosion resistance.

4. Paper Industry

In paper manufacturing, butyl acrylate is used to:

  • Enhance Strength: Improves tear resistance and durability.

  • Increase Water Resistance: Reduces water absorption.

5. Textile Industry

Butyl acrylate is employed to:

  • Improve Fabric Properties: Enhances softness and wear resistance.

  • Provide Stain Resistance: Reduces fabric soiling.

⚠️ Safety and Handling

  • Storage: Keep in a cool, well-ventilated area away from heat and ignition sources.

  • Incompatibilities: Avoid contact with strong oxidizing agents, acids, and bases.

  • Personal Protective Equipment (PPE): Use appropriate gloves, goggles, and protective clothing.

  • First Aid Measures: In case of contact, flush with water; seek medical attention if necessary.

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