Butyl chloroformate
Pharmaceutical Materials 2025-03-02
CAS Number: 592-34-7
Molecular Formula: C5H9ClO2
Molecular Weight: 136.58 g/mol
Appearance: Colorless liquid
Usage: It is widely used as an intermediate in organic synthesis, particularly in the synthesis of esters, amides, and acyl chlorides.
| Attribute | Description |
|---|---|
| Chemical Name | Butyl chloroformate |
| CAS Number | 592-34-7 |
| Formula | C5H9ClO2 |
| Molecular Weight | 136.57 g/mol |
| Synonyms | n-Butyl chloroformate, 1-Butyl chloroformate |
| Appearance | Colorless to pale yellow liquid with a characteristic odor |
| Density | 1.05 g/mL at 25°C |
| Boiling Point | 145-147°C (760 mmHg) |
| Flash Point | 43°C (closed cup) |
| Solubility | Soluble in organic solvents such as ether, toluene, and acetone |
| Stability | Stable under normal conditions, but reacts with water and bases |
| Chemical Properties | Acts as a carbamoylating agent in organic synthesis, forming carbamates with amines and amino acids |
| Applications | Used in the synthesis of pesticides, drugs, and other organic compounds. Also used as an intermediate in the production of polyurethanes. |
| Safety Hazards | Flammable and may cause irritation to skin, eyes, and respiratory tract. Harmful if swallowed. |
| Health Effects | Inhalation or ingestion may cause respiratory distress, nausea, and vomiting. May cause skin irritation and sensitization. |
| Storage Conditions | Store in a cool, dry, well-ventilated area, away from incompatible materials, ignition sources, and moisture. |
| Handling Precautions | Wear appropriate personal protective equipment and avoid contact with skin, eyes, and clothing. Use in a well-ventilated area and keep away from ignition sources. In case of contact, immediately flush with water and seek medical attention. |
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