
Triethylene glycol dimethacrylate (TEGDMA) is a low-viscosity aliphatic dimethacrylate monomer. It appears as a colorless to pale yellow oily liquid. MF: C₁₄H₂₂O₆ MW: 286.32. Its molecule contains two methacrylate functional groups, making it an important crosslinking agent and reactive diluent widely used in polymer synthesis and modification.
| Item | Specification |
| Melting Point | -52℃ |
| Boiling Point | 210℃ (760 mmHg) |
| Density | 1.092 g/mL |
| Flash Point | 110℃ (closed cup) |
| Vapor pressure | 0.077 Pa at 20°C |
| Refractive Index | Index 1.461 (n₂₀/D) |
| Viscosity | ~10 mPa·s (20°C) |
| Odor | Mild, sweet methacrylate odor |
| Solubility in Water | 3.6 g/L (20℃) |
| Stability | Light and heat sensitive; stable under normal conditions. |
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