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五氟乙烷(HFC-125)


HFC-125可做制冷剂,是混合工质的重要组份,用于替代CFC-502和HCFC-22,或作灭火剂用于替代Halon-1211和Halon-1301。物化性能CAS号354-33-6分子式CHF2CF3分子量120.2沸点101.3KPa(℃)-48.8冰点101.3KPa(℃)-102.8临界温度 (℃)66.1临界压力(KPa)25℃3.592饱和液体密度 25℃(kg/m³)1158.1比热

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Keywords: Difluoroethanol/ N-Methylpyrrolidone

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Product Details

HFC-125可做制冷剂,是混合工质的重要组份,用于替代CFC-502和HCFC-22,或作灭火剂用于替代Halon-1211和Halon-1301。

物化性能

CAS号 354-33-6
分子式 CHF2CF3
分子量 120.2
沸点101.3KPa(℃) -48.8
冰点101.3KPa(℃) -102.8
临界温度 (℃) 66.1
临界压力(KPa)25℃ 3.592
饱和液体密度 25℃(kg/m³) 1158.1
比热25℃ [KJ/( kg·k)] 1.47
破坏臭氧层潜能值(ODP) 0
全球变暖系数值(GWP) 0.84

技术指标

分析项目 指标
外观 无色、不浑浊
纯度 % 99.8min
水分 % 0.001max
酸度(以HCl计)% 0.0001max
蒸发残留 % 0.01max

 

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