外观与性状:无色,无气味的气体 密度:2.361 沸点:−22.5 °C(lit.) 熔点:<−78 °C(lit.) 闪点:-22.5°C 折射率:1.379 稳定性:Stable. Substances to be avoided include strong oxidizing agents. Avoid direct sunlight. Risk of explosion if heated under confinement. Flammable. 蒸汽压:0.0115mmHg at 25°C