cas 7721-01-9, Tantalum(V) chloride | Articles data ｜lookchem

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7721-01-9

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Crucial role of halogen atoms in the formation of Ta2S2C
The successful preparation of Ta2S2C at 1150°C has been found to be intimately linked to the presence of halogens in the reaction. Adventitious chlorine obtained either through the use of excess carbon or of graphite crucibles was ap
Ziebarth, Robin P.,Vassiliou, John K.,Disalvo, F. J.
p. 207 - 212
(1989)
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Reactivity of transition metal fluorides. III. Higher fluorides of vanadium, niobium, and tantalum
A series of oxidation-reduction and halogen-exchange reactions has been used to compare the chemical reactivities of the pentafluorides of vanadium, niobium, and tantalum. Vanadium pentafluoride is extremely reactive and its reaction pattern with many reagents is extremely complex, depending largely on relative proportions of reagents and other experimental conditions. The pentafluorides of niobium and tantalum are very much less reactive than that of vanadium and are similar to each other. There is some evidence that of the two, the niobium compound is slightly more reactive. The reactivities of these three pentafluorides are discussed in terms of their physical properties and in relation to the higher fluorides of neighboring transition elements.
Canterford,O'Donnell
p. 1442 - 1446
(2008/10/08)

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Chemical Properties

Appearance/Colour :white to pale yellow crystals
Melting Point: 216℃
Boiling Point: 242℃
Flash Point:°C
Density: 3.68(27℃)
PSA: 0.00000
LogP: 3.44750

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