7783-71-3|Tantalum(V) fluoride_ChemVia, Custom Chemical Service Platform

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Properties	【外观性状】五氟化钽为易挥发的、具有吸潮性的、白色的单斜晶系结晶。相对密度5.1，晶格常数a=0.964 nm，b=0.512 nm，c=96.30。熔点95.1℃，沸点229.2℃。蒸发热54.4 kJ/mol，融熔热18.8 kJ/mol，当温度在80～230℃范围内其蒸气压随温度变化的关系为lgp=27.649—2834/T(p为kPa)。易溶于水、乙醚，微溶于热的二硫化碳和四氯化碳及冷的浓硫酸中。在氢氧化钠溶液中即发生激烈反应。五氟化钽即使在沸腾状态下也不与溴、碘、氮等发生反应。【熔点】96.8 °C【沸点】229.5 °C【密度】4.74 g/mL at 25 °C(lit.)【闪点】230°C【敏感性】Moisture Sensitive【Merck 】14,9055
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