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二氟甲烷(HFC-32)


HFC-32主要用于混配制作制冷剂R407C和R410A。物化性能CAS号75-10-5分子式CH2F2分子量52.02沸点101.3KPa(℃)-53.15临界温度 (℃)78.25临界压力(KPa)25℃5.808饱和液体密度25℃(kg/m³)960比热 25℃ [KJ/( kg·k)]2.35破坏臭氧层潜能值(ODP)0全球变暖系数值(GWP)0.11技术指标分析项目指标外观无色、不浑浊纯

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Keywords: Difluoroethanol/ N-Methylpyrrolidone

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Product Details

HFC-32主要用于混配制作制冷剂R407C和R410A。

物化性能

CAS号 75-10-5
分子式 CH2F2
分子量 52.02
沸点101.3KPa(℃) -53.15
临界温度 (℃) 78.25
临界压力(KPa)25℃ 5.808
饱和液体密度25℃(kg/m³) 960
比热 25℃ [KJ/( kg·k)] 2.35
破坏臭氧层潜能值(ODP) 0
全球变暖系数值(GWP) 0.11

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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