三氟化氮的物理特性

2025-03-15 23:20:55
推荐回答(1个)
回答1:

熔点(101.325kPa):-206.79℃
沸点(101.325kPa):-129.0℃
液体密度(-129℃,101.325kPa):1540kg/m3
气体密度(20℃,101.325kPa):2.96kg/m3相对密度(气体,空气=1,20℃,101.325kPa):2.46
比容(21.1℃,101.325kPa):0.3371m3/kg
气液容积比(15℃,100kPa):520L/L
临界温度:-39.3℃
临界压力:4530kPa
临界密度:522kg/m3
临界压缩系数:0.317
熔化热(-206.79℃,101.325kPa):5.61kJ/kg
气化热(-129℃,101.325kPa):163.29kJ/kg
比热容(气体,25℃,101.325kPa):Cp=751.68J/(kg·K)
蒸气压(-171℃):1.333kPa
(-100℃):470kPa
(-60℃):2200kPa粘度(气体,25℃,101.325kPa):0.0183mPa·S
折射率(气体,25℃):1.0004416
主要成分:纯品
外观与性状:无色、带霉味的气体。
相对密度(水=1):1.89(沸点,液体)
溶解性:不溶于水。
主要用途:用作高能燃料。
废弃处置方法:根据国家和地方有关法规的要求处置。或与厂商或制造商联系,确定处置方法
三氟化氮,分子式:NF3。气体分子量:71.01,熔点:–206.8℃(1atm),沸点:–129℃(1atm),临界温度:–39.3℃,临界压力:44.02atm(4.46MPa),液体密度:1554 kg/m3(1atm,沸点时),气体密度:2.95 kg/m(1atm,21℃),水中溶解度(1atm,22℃):1.43×10-5当量浓度。纯净的NF3气体是一种无色无味的气体,当混入一定量的杂质气体后颜色发黄,同时会有发霉或刺激性气味。NF3气体不可燃,但能助燃。当温度超过350℃时,三氟化氮气体会缓慢分解,分解时产生强氧化性氟。因此,在高温下它是一种强氧化剂。CAS号:7783-54-2。危险性类别:第2.3类有毒气体,在空气中的最高允许含量为29mg/m

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