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N-Butyl Methacrylate

CAS Number: 97‑88‑1

Synonyms: Butyl 2‑methylprop‑2‑enoate; Methacrylic acid n‑butyl ester; BMA; n‑Butyl 2‑methyl‑2‑propenoate

Chemical Formula:C₈H₁₄O₂

Product Introduction

n‑Butyl Methacrylate is a colorless liquid monomer with a mild ester-like odor. It's widely used in producing methacrylate copolymers that lend flexibility, durability, UV/weather resistance, and high gloss to coatings, adhesives, and sealants.

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Physical & Chemical Properties

Property	Value
Appearance	Colorless liquid
Odor	Mild ester-like odor
Density	~0.89 g/mL @ 20 °C
Melting Point	~–50 to –75 °C
Boiling Point	~160–165 °C
Vapor Pressure	~2–2.7 hPa @ 20 °C
Flash Point	~50–52 °C
Auto‑ignition Temp	~290–294 °C
Solubility	~0.2 g/L in water; soluble in organics

Applications

Monomer for acrylic polymers: coatings, adhesives, sealants, and resins
Used in making flexible copolymers for decorative paints and automotive finishes
Emulsions for textiles, leather, paper coatings; dental composites, artificial nails