
Dioctyl maleate (MF: C20H36O4, MW: 340.5) is produced by the esterification of maleic acid (cis-butenedioic acid) with octanol. It is a colourless, transparent liquid containing ester groups and carbon-carbon double bonds, exhibiting moderate reactivity and capable of participating in copolymerisation and addition reactions (e.g., copolymerisation with monomers such as vinyl chloride and styrene). .
Dioctyl maleate (DOM) is an important ester compound. It is commonly used in plastic additives, fragrance synthesis, and other fields.
| Boiling point | 195–207°C (0.67 kPa) |
| Melting point | -50°C |
| Relative density | 0.944 (25°C) |
| Refractive index | 1.4535 (25°C) |
| Flash point | 180°C |
| Viscosity | 17 mPa·s (23°C) |
| Solubility | Soluble in most organic solvents, insoluble in water |
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