2-Hexanone
Pharmaceutical Materials 2025-03-02
CAS Number: 591-78-6
Molecular Formula: C6H12O
Molecular Weight: 100.16
Appearance: Colorless to light yellow liquid
Odor: Fruity
Melting Point: -57 °C
Boiling Point: 127.8±3.0 °C
Density: 0.8±0.1 g/cm3
Usage: Solvent, intermediate in chemical synthesis
| Category | Information |
|---|---|
| Basic Information | |
| Chemical Name | 2-Hexanone |
| Synonyms | Methyl Butyl Ketone, Methyl n-Butyl Ketone, Hexan-2-one |
| CAS Number | 591-78-6 |
| EINECS Number | 209-725-2 |
| Molecular Formula | C6H12O |
| Molecular Weight | 100.16 g/mol |
| Physical Properties | |
| Appearance | Colorless to pale yellow liquid with a characteristic odor |
| Odor | Characteristic, sweet, fruity, and slightly fatty |
| Density | Approximately 0.806 g/mL at 25°C |
| Melting Point | -78 °C |
| Boiling Point | 125-127 °C |
| Flash Point | 26 °C (closed cup) |
| Refractive Index | 1.398-1.400 at 20°C |
| Solubility | Soluble in water (1.8 g/100 mL at 20°C), miscible with alcohol, ether, and other organic solvents |
| Chemical Properties | |
| Stability | Stable under normal conditions, but may form peroxides upon prolonged storage |
| Reactivity | Reacts with oxidizing agents, acids, and bases |
| Uses | |
| Applications | Used as a solvent in paints, varnishes, and lacquers, as well as in the production of synthetic resins and perfumes |
| Industrial Uses | Employed in the manufacture of plastics, pesticides, and other chemicals |
| Safety Information | |
| Hazard Class | Flammable liquid |
| Risk Phrases | R10 (Flammable), R20 (Harmful by inhalation), R36/37/38 (Irritating to eyes, respiratory system, and skin) |
| Safety Phrases | S16 (Keep away from sources of ignition – No smoking), S26 (In case of contact with eyes, rinse immediately with plenty of water and seek medical advice), S36/37/39 (Wear suitable protective clothing, gloves, and eye/face protection) |
| Storage Conditions | Store in a cool, dry, well-ventilated area away from heat, sparks, and ignition sources. Keep container tightly closed and separate from oxidants and incompatible materials. |
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