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一氟二氯甲烷

一氟二氯甲烷
IUPAC名
Dichlorofluoromethane
别名 Fluorodichloromethane, Monofluorodichloromethane, Dichloromonofluoromethane, Freon 21, Refrigerant 21, R 21, HCFC 21, Algofrene Type 5, Arcton 7, Halon 112, UN 1029
识别
CAS号 75-43-4  checkY
PubChem 6370
ChemSpider 6130
SMILES
 
  • ClC(Cl)F
InChI
 
  • 1/CHCl2F/c2-1(3)4/h1H
InChIKey UMNKXPULIDJLSU-UHFFFAOYAU
EINECS 200-869-8
RTECS PA8400000
性质
化学式 CHCl2F
摩尔质量 102.92 g·mol⁻¹
外观 无色气体
密度 1.405 g/cm3(9 °C)

1.366 kg/m3(25 °C)

熔点 -135 °C
沸点 8.92 °C
溶解性 9.420 g/l(30 °C)
log P 1.55
蒸气压 160 kPa
危险性
警示术语 R:R59
安全术语 S:S59
主要危害 危害环境 (N)
自燃温度 522 °C
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

一氟二氯甲烷,别名氟利昂-21R-21,是一种卤代甲烷氯氟烃,无色无味、呈气态。它的临界点为178.5 °C、517 MPa。

用途

一氟二氯甲烷最初被用于推进剂制冷剂,现已因为会破坏臭氧层而正在被逐渐地淘汰。其臭氧破坏潜势为0.04。2004年一氟二氯甲烷的产销量就已降到了1989年时的15%。根据蒙特利尔议定书,它将于2015年被淘汰。

外部链接

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一氟二氯甲烷
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