
Pinacolone appears as a colorless, transparent liquid with volatile vapors and a distinctive mint-like odor. MF: C6H12O; MW: 100.16. Pinacolone is an asymmetric ketone containing a ketone carbonyl group (C=O), with two methyl groups attached to the carbon atoms adjacent to the carbonyl group, forming a unique spatial structure. It occurs naturally in trace amounts in certain plant essential oils (e.g., peppermint oil), but industrial production relies primarily on chemical synthesis.
| Item | Specification |
| Melting point | -52.5°C |
| Boiling point | 106°C (lit) |
| Density | 0.801 g/mL at 25°C (lit) |
| Vapor density | 3.5 (vs air) |
| Vapor pressure | 33 hPa (20°C) |
| Refractive index | n20/D 1.396 (lit) |
| Flash point | 23.9 ± 0.0 °C |
| Ordor | Delicate minty camphor scent, warm and sweet aroma |
| Odor threshold | 0.043 ppm |
| Critical temperature | 280.8 °C |
| Critical pressure | 3.24 MPa |
| Solubility | Sparingly soluble in water; readily soluble in organic solvents such as ethanol, diethyl ether, acetone, benzene. |
As an organic synthesis intermediate, Pinacolone is used to synthesize antimicrobial drugs, pesticide herbicides, mint flavorings, as well as rubber antioxidants, plastic plasticizers, and paint curing agents.
As a specialty solvent, Pinacolone dissolves lipophilic organic compounds, resins, and rubber; it is used to extract specific components from complex mixtures, particularly suitable for temperature-sensitive substances.
Pinacolone is also employed as a fuel additive, analytical reagent, and auxiliary solvent in photoresist preparation, electronic component cleaning agents, and other applications.
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