2-丁炔
2-Butyne · 2-بوتاين · 2-Butin · 2-βουτίνιο · 2-butino · دیمتیلاستیلن · 2-butin · 2-butuna · 2-butino · 2-ブチン · 2-뷰타인 · 2-butyn
| CAS | 503-17-3 |
|---|---|
| EC | 207-962-2 |
| UN | 1144 |
| 分子式 | C4H6 |
| 摩尔质量 | 54.09 g/mol |
| 闪点 | -20 °C |
| 气体或蒸气的相对密度（空气 = 1） | 1.87 |
| GHS | 危险 · H224, H315, H319, H335 |
Crotonylene appears as a clear colorless liquid with a petroleum-like odor. Less dense than water and insoluble in water. Vapors heavier than air.