Niobii chloridum NbCl5 CAS 10026-12-7
Synonyma: NbCl5; Niobii chloridum (NbCl5); niobii chloridum (nbcl5); Columbii chloridum; Columbii pentachloridum; Niobii pentachloridum; Niobii (V) chloridum; Niobii (+5) chloridum
CAS: 10026-12-7
MF: Cl5Nb
MW: 270.17
EINECS: 233-059-8
Punctum liquefactionis 204.7°C (lit.)
Punctum ebullitionis 254°C (lit.)
densitas 2.75 g/mL ad 25°C (lit.)
pressio vaporis 22.8hPa ad 153.8℃
Temperatura 248.2°C
Temperatura repositionis nullae restrictiones.
solubilitas Solubilis in alcohole, acido hydrochlorico, tetrachlorido carbonii et chloroformio.
forma pulveris
color flavus
Niobii chloridum NbCl5 CAS 10026-12-7

Niobii chloridum NbCl5 CAS 10026-12-7
Adhibetur ad formanda composita chloro-aryloxida mixta, ut [Nb(OC₆H₃-2,6-i-Pr₂)₂Cl₃]₂, quae adducta pyridini vel phosphini cum geometria sex coordinatarum distorta formant.
Ut catalysator acidi Lewisiani in synthesi organica adhibitus.
Niobii(V) chloridum est praecursor in praeparatione niobii puri et ferroniobii. Adhibetur ut catalysator acidi Lewisiani in synthesi organica ad activandas alkenas in reactione carbonyl-ene et reactione Diels-Alder.
Nos fabri sumus, officina nostra in Shandong sita est, sed etiam tibi officium emptionis unum locum praebere possumus!
T/T (translatio telegraphica), Western Union, MoneyGram, BTC (bitcoin), etc.
≤25kg: intra tres dies operables post acceptam solutionem. >25kg: una hebdomada.
Praesto, parva exempla gratuita ad qualitatem aestimandam praebere possumus!
1kg per saccum pro exemplaribus, 25kg vel 50kg per tympanum, vel prout requiris.
Vasculum arcte clausum in loco sicco, frigido et bene ventilato serva.
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