CAS Number: 80‑62‑6
Chemical Formula:CH₂=C(CH₃)COOCH₃
Overview
A colorless, volatile liquid with a sharp–fruity odor. It’s the primary monomer for making PMMA (acrylic glass). Often stabilized with ~10–30 ppm MEHQ to prevent self-polymerization.
| Feature | Mono‑n‑Butylamine (MNBA) | Methyl Methacrylate (MMA) |
|---|---|---|
| Physical Form | Clear, fishy-smelling liquid | Clear, fruity-smelling liquid |
| Primary Role | Aminic intermediate/reactant | Acrylic monomer (polymer precursor) |
| Flash Point | Very low (~−14 °C) | Low (~2–10 °C) |
| Solubility | Fully miscible in water | Moderate (~1.5%) |
| Hazard Highlights | Flammable, corrosive, toxic | Flammable, irritant, polymerization risk |