Phenethyl isocyanate
Pharmaceutical Materials 2025-03-02
CAS Number: 1943-82-4
Molecular Formula: C9H9NO
Molecular Weight: 147.17
Appearance: Colorless to yellow transparent liquid
Melting Point: Not applicable
Boiling Point: 210°C
Density: 1.063 g/mL at 25°C
Usage: Used as an intermediate in organic synthesis.
| Property | Details |
|---|---|
| Chemical Name | Phenethyl Isocyanate |
| CAS Number | 1943-82-4 |
| EINECS Number | 413-080-0 |
| Molecular Formula | C₉H₉NO |
| Molecular Weight | 147.17 g/mol |
| Physical State | Colorless transparent liquid with a pungent odor |
| Density | 1.063 g/mL (25°C) |
| Boiling Point | 210°C |
| Flash Point | 99°C |
| Refractive Index | 1.522 (n₂₀/D) |
| Solubility | Decomposes in water; soluble in chloroform and ethyl acetate |
| Applications | – Key intermediate in synthesizing glimepiride, a second-generation sulfonylurea drug for type 2 diabetes. – Used in producing pesticides, fungicides, and rodenticides. |
| Safety Precautions | – Toxic, corrosive, and environmentally hazardous. – Avoid inhalation, skin contact, and ingestion; use in well-ventilated areas with protective gear. |
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