Butyl Acrylate Monomer

Butyl Acrylate Monomer

CAS Number: 141‑32‑2

Synonyms:n‑Butyl acrylate; Butyl prop‑2‑enoate; Acrylic acid butyl ester; BA

Chemical Formula:C₇H₁₂O₂

Molecular Weight:128.17 g/mol

Product Introduction

A clear, colorless liquid with a fruity, pungent ester odor. This monofunctional acrylate is essential for producing polymers and copolymers used across paints, coatings, adhesives, sealants, textiles, plastics, and caulks

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Physical & Chemical Properties

Property Value
Appearance Clear, colorless liquid
Odor Fruity, pungent
Density @ 20 °C 0.89–0.894 g/mL
Melting/Freezing Point ≈–83 °C
Boiling Point ≈145–148 °C (lit.)
Vapor Pressure @ 20 °C ~3–4 mm Hg
Flash Point ≈29–36 °C CC
Auto‑ignition Temperature ≈267–293 °C
Solubility Insoluble in water (~0.1–1.7 g/L)
Flash Point ≈29–36 °C closed cup

Applications

  • Polymer industry: nylon‑6,6, polyurethanes, plasticizers
  • Food & beverage: acidulant, buffer, flavor enhancer in powders, beverages, gelatin
  • Chemical intermediates: in resins, lubricants, chelators, biocides

Safety & Handling

  • Non‑flammable solid. Low hazard; dust may irritate eyes/respiratory tract. GHS Warning (H318). Store sealed below 30 °C in a cool, dry place.

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