
2 Heptanone/MAK (CAS 110-43-0), with the molecular formula C₇H₁₄O, is a colorless, transparent liquid. It is highly volatile at room temperature, slightly soluble in water, and miscible with most organic solvents. It is neutral and exhibits good solubility and reactivity. It is primarily used as an organic synthesis intermediate, a raw material for food and cosmetic fragrances, and as an industrial solvent and extractant.
| Item | Specification |
| Melting Point | -35 °C |
| Boiling Point | 151 °C |
| Density | 0.811 g/cm³ |
| Flash Point | 39 °C |
| Vapor Pressure | 2.14 mmHg(20°C) |
| Refractive Index | 1.408 |
| Vapor density | 3.94 (vs air) |
| Viscosity | 0.766 mPa・s at 25°C |
| Solubility | 4.3 g/L (20°C); readily soluble in ethanol, diethyl ether, acetone, etc. |
| Stability | Stable at room temperature; exhibits the chemical reactivity typical of ketones; flammable. |
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