Cyclobutanecarbonyl chloride
Pharmaceutical Materials 2025-03-02
CAS Number: 5006-22-4
Molecular Formula: C5H7ClO
Molecular Weight: 118.56 g/mol
Appearance: Colorless liquid Boiling Point: 60°C (50 mmHg)
Density: 1.039 g/mL at 25°C
Usage: Used as a medical intermediate.
| Attribute | Details |
|---|---|
| Chemical Name | Cyclobutanecarbonyl chloride |
| Synonyms | Carbonochloridic acid cyclobutyl ester; Cyclobutanoyl chloride |
| CAS Number | 592-26-1 |
| Molecular Formula | C5H7ClO |
| Molecular Weight | 122.56 g/mol |
| Appearance | Colorless to yellowish liquid with a pungent odor |
| Density | 1.17 g/mL at 25°C |
| Melting Point | -96°C |
| Boiling Point | 134-136°C |
| Refractive Index | 1.449-1.451 at 20°C |
| Flash Point | 36°C |
| Solubility | Soluble in organic solvents such as ether, chloroform, and toluene; insoluble or slightly soluble in water |
| Stability | Stable under normal conditions. Incompatible with strong bases, strong oxidizing agents, and moisture. May polymerize under exposure to light or heat. |
| Applications | Used as an intermediate in the synthesis of organic compounds, particularly in the production of pharmaceuticals, pesticides, and dyes. It serves as a valuable building block in organic chemistry for the introduction of cyclobutylcarbonyl functionalities. |
| Hazard Information | Corrosive to metals and tissue. Causes serious eye irritation and skin burns. May cause respiratory irritation. Keep away from heat, sparks, and open flames. Store in a cool, dry place, away from incompatible materials. |
| Packaging | Supplied in amber glass bottles or metal cans with tight-fitting lids to prevent evaporation and exposure to light. |
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