光气
Phosgene · Fosgene · Фосген · Fosgeno · Phosgen · فوسجين · Fosgen · Фосген · Φωσγένιο · فسژن · Phosgène · פוסגן
| CAS | 75-44-5 |
|---|---|
| EC | 200-870-3 |
| UN | 1076 |
| 分子式 | COCl2 |
| 摩尔质量 | 98.91 g/mol |
| 气体或蒸气的相对密度（空气 = 1） | 3.41 |
| GHS | 危险 · H314, H330 |
Phosgene is an acyl chloride obtained by substitution of both hydrogens of formaldehyde by chlorine. It is functionally related to a formaldehyde. Phosgene appears as a chemical warfare choking agent. Extremely toxic. A colorless gas or very low-boiling, volatile liquid with an odor of new-mown hay or green corn.