2-Cyclohexen-1-one
Pharmaceutical Materials 2025-03-02
CAS Number: 930-68-7
Molecular Formula: C6H8O
Molecular Weight: 96.13
Appearance: Colorless or light yellow liquid
Melting Point: -53°C
Boiling Point: 168-171°C
Density: 0.993 g/mL at 25°C
Solubility: Soluble in organic solvents like alcohol and ether, insoluble in water.
| Category | Information |
|---|---|
| Basic Information | |
| Chemical Name | 2-Cyclohexen-1-one |
| CAS Number | 930-68-3 |
| Synonyms | 2-Cyclohexenone; Cyclohex-2-en-1-one; α-Cyclohexenone |
| Molecular Formula | C6H8O |
| Molecular Weight | 96.13 g/mol |
| Chemical Structure |  |
| Physical Properties | |
| Appearance | Clear to yellow liquid |
| Odor | Characteristic |
| Density | 0.979 g/mL at 25°C |
| Refractive Index | 1.476 (20°C) |
| Melting Point | −4°C |
| Boiling Point | 160-162°C (760 mmHg) |
| Flash Point | 52°C |
| Solubility | Soluble in alcohol, ether, and benzene; insoluble in water |
| Chemical Properties | |
| Chemical Reactivity | Reacts with oxidizing agents and bases |
| Stability | Stable under normal conditions; may polymerize if exposed to heat or light |
| Hazardous Decomposition | Carbon monoxide, carbon dioxide, hydrogen |
| Applications | |
| Uses | Intermediate in organic synthesis; precursor to certain perfumes and flavors; used in the production of certain resins and coatings |
| Safety Information | |
| R-Phrases | R36/37/38 (Irritating to eyes, respiratory system, and skin) |
| S-Phrases | 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) |
| Hazard Class | Irritant |
| Storage | Store in a cool, dry place away from heat, sparks, and open flames. Keep container tightly closed. |
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