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inquiryItems Standard Result Appearance yellowish white powder Complies Composition Content NbCl
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inquiryProduct name: Niobium Pentachloride CAS No.:10026-12-7 Molecule Formula:Cl5Nb Molecule Weight:270.17 Purity: 99.0% Package: 25kg/drum Description:Yellow crystalline powder Manufacture Standards:Enterprise Standard
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inquiryProduct Name: NIOBIUM(V) CHLORIDE Synonyms: Niobium(V)chloride(99+%-Nb);niobium(v) chloride, puratronic;NIOBIUM(V) CHLORIDE: 99.99%, ANHYDROUS, DISTILLED;NIOBIUM(V) CHLORIDE (METALS BASIS);Niobium(V) chloride, 99% (metals basis);Niobium(V) chlorid
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inquiryNIOBIUM(V) CHLORIDEAppearance:yellow fine crystalline powder Storage:keep in dry and ventilated Package:As requested Application:10026-12-7 Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airport to airport)
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inquiryPurity≥99.8%,yearly output ≥60t,the largest supplier in Asia Appearance:light yellow crystalline solid, easy deliquescence Storage:dry Package:10kg/drum Application:used as a reagent, manufacture pure niobium raw materials and other niobi
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inquiryConditions | Yield |
---|---|
In neat (no solvent) drying mixt. of K2NbF7 and LiCl2 at 150°C, heating mixt. in inert gas atmosphere at 750°C for 1 h;; | 90% |
In neat (no solvent) drying mixt. of K2NbF7 and LiCl2 at 150°C, heating mixt. in inert gas atmosphere at 750°C for 1 h;; | 90% |
Conditions | Yield |
---|---|
In neat (no solvent) drying mixt. of K2NbF7 and CaCl2 at 150°C, heating mixt. in inert gas atmosphere at 750°C for 1 h;; | 90% |
In neat (no solvent) drying mixt. of K2NbF7 and CaCl2 at 150°C, heating mixt. in inert gas atmosphere at 750°C for 1 h;; | 90% |
potassium heptafluoroniobate(V)
magnesium chloride
niobium pentachloride
Conditions | Yield |
---|---|
In neat (no solvent) drying mixt. of K2NbF7 and MgCl2 at 150°C, heating mixt. in inert gas atmosphere at 750°C for 1 h;; | 90% |
In neat (no solvent) drying mixt. of K2NbF7 and MgCl2 at 150°C, heating mixt. in inert gas atmosphere at 750°C for 1 h;; | 90% |
phosphorus pentachloride
A
niobium pentachloride
B
tellurium tetrachloride
C
phosphorus trichloride
Conditions | Yield |
---|---|
In neat (no solvent) molar ratio niobium ditelluride/PCl5 1/8; heated in evacuated sealed ampoules for 2 h at 170°C, cooled; PCl3 removed in a vac. at 80°C, extd. with hot monoglyme, the residue dried in a vac.; NMR, mass spectra; | A n/a B n/a C 82% |
In neat (no solvent) molar ratio niobium ditelluride/PCl5 1/4; heated in evacuated sealed ampoules for 2 h at 170°C, cooled; PCl3 removed in a vac. at 80°C, extd. with hot monoglyme, the residue dried in a vac.; NMR, mass spectra; | A n/a B n/a C >99 |
Conditions | Yield |
---|---|
In neat (no solvent) NbOCl3 is chlorinated by COCl2 over coal heated to 350 - 600°C (most favourable results are achieved by use of active coal) to give NbCl5;; | |
In neat (no solvent) NbOCl3 is chlorinated by COCl2 over coal heated to 350 - 600°C (most favourable results are achieved by use of active coal) to give NbCl5;; |
Conditions | Yield |
---|---|
In neat (no solvent) at 280°C in sealed tube;; |
Conditions | Yield |
---|---|
With carbon monoxide In neat (no solvent) NbOCl3 is chlorinated by equimolar mixts. of CO and Cl2 or by COCl2 over coal heated to 350 - 600°C (most favourable results are achievedby use of active coal) to give NbCl5;; | |
With carbon monoxide In neat (no solvent) NbOCl3 is chlorinated by equimolar mixts. of CO and Cl2 or by COCl2 over coal heated to 350 - 600°C (most favourable results are achievedby use of active coal) to give NbCl5;; |
niobium pentachloride
Conditions | Yield |
---|---|
With Cl2 |
Conditions | Yield |
---|---|
In neat (no solvent) byproducts: H2; from Nb powder, 300-350°C, 1 h; | |
In neat (no solvent) byproducts: NbCl4; in stream of HCl at 300-900°C;; mixt. of products obtained; small amt. of NbCl4;; | |
In neat (no solvent) from granulated Nb, above 400°C; |
hydrogenchloride
C
niobium pentachloride
Conditions | Yield |
---|---|
In neat (no solvent) 800°C, in HCl flow; | A 0% B n/a C n/a |
In neat (no solvent) 800°C, in HCl flow; | A 0% B n/a C n/a |
Conditions | Yield |
---|---|
In neat (no solvent) byproducts: H2; from Nb powder, quenching; | |
In neat (no solvent) byproducts: H2; from Nb powder, quenching; |
Conditions | Yield |
---|---|
In neat (no solvent) at 180 - 190°C;; | |
In neat (no solvent) at 205°C;; | |
In neat (no solvent) from Nb powder,180-190°C; |
Conditions | Yield |
---|---|
In melt Kinetics; 550°C, conducting of Cl2 into the melt, sublimation of NbCl5; | |
In melt Kinetics; 550°C, conducting of Cl2 into the melt, sublimation of NbCl5; |
Conditions | Yield |
---|---|
With water In melt Kinetics; react. at 550-800°C, dissolution in H2O: Nb(IV)-oxide formed;parts of the reaction mixture sublimated: NbCl5, niobium oxichloride, NbCl3 formed; | |
With H2O In melt Kinetics; react. at 550-800°C, dissolution in H2O: Nb(IV)-oxide formed;parts of the reaction mixture sublimated: NbCl5, niobium oxichloride, NbCl3 formed; |
Conditions | Yield |
---|---|
In melt in PbCl2 melt at 550-800°C;; sublimate with 90 % NbCl5 and 10 % NbCl3;; | |
In melt byproducts: NbOCl3; 550-800°C;; sublimate contains 90 % NbCl5, 10 % NbCl3 impured with NbOCl3, melt contains Nb(V) and other oxidation states;; | |
In melt byproducts: NbOCl3; 550-800°C;; sublimate contains 90 % NbCl5, 10 % NbCl3 impured with NbOCl3, melt contains Nb(V) and other oxidation states;; |
Conditions | Yield |
---|---|
In melt Kinetics; 550-800°C, partial sublimation of Nb2O5; | |
In melt Kinetics; 550-800°C, partial sublimation of Nb2O5; |
Conditions | Yield |
---|---|
In melt in PbCl2 melt at 550°C and presence of Cl2;; nearly complete vapn. of Nb as NbCl5;; |
Conditions | Yield |
---|---|
In neat (no solvent, gas phase) thermal-sublimation column, Ar as carrier gas for SOCl2, heating (850°C, 20 min); drying the products over P2O5, elem. anal., product ratio depending on deposition temp.; |
Conditions | Yield |
---|---|
In neat (no solvent) in a sealed tube at 290°C;; | >99 |
In neat (no solvent) in a sealed tube at 290°C;; | >99 |
Conditions | Yield |
---|---|
In neat (no solvent) in stream of SOCl2 vapor at 300-350°C;; | |
In neat (no solvent) 5-fold excess of SOCl2 (200°C/3 h);; | |
In thionyl chloride byproducts: NbCl5*SiCl4; |
Conditions | Yield |
---|---|
With pyrographite In neat (no solvent) in stream of COCl2 at 500°C, chlorination of NbOCl3 by passing over heated coal;; | |
With pyrographite In neat (no solvent) in stream of COCl2 at 500°C, chlorination of NbOCl3 by passing over heated coal;; |
Conditions | Yield |
---|---|
In further solvent(s) further solvent: hexachloropropene; refluxing under exclusion of moisture for 4 h, cooling, crystn.;; filtration, washing with cold CCl4, pumping off remaining chlorinated hydrocarbons;; |
Conditions | Yield |
---|---|
In further solvent(s) further solvent: hexachlorobutadiene-(1.3); refluxing in presence of Cl2;; |
Conditions | Yield |
---|---|
In further solvent(s) further solvent: octachloropropane; refluxing;; | |
In further solvent(s) further solvent: octachloropropane; complete chlorination by refluxing;; |
Conditions | Yield |
---|---|
In neat (no solvent) in a sealed tube at 250°C within 2 h;; small yield;; |
Conditions | Yield |
---|---|
In further solvent(s) further solvent: octachlorocyclopentene; refluxing in presence of Cl2;; |
niobium pentachloride
Conditions | Yield |
---|---|
With chlorine In neat (no solvent) | |
With Cl2 In neat (no solvent) |
Conditions | Yield |
---|---|
In neat (no solvent) byproducts: AlOCl; 20 h heating of 248.1 mg Nb2O5 and 1.5 g AlCl3 in molten tube at 270°C;; | |
In neat (no solvent) byproducts: Al2O3, NbOCl3; heating Nb2O5 and AlCl3 in evacuated molten tube at 230, 300 and 400°C;; |
Conditions | Yield |
---|---|
With oxalic acid In water dissolving of NbCl5 in oxalic acid soln.; addn. of a soln. of lead acetate; the pH was adjusted to 9 with aq. NH3;; the ppt. was filtered off, washed and dried at 100°C;; | 100% |
2,6-diisopropylbenzenamine
niobium pentachloride
Conditions | Yield |
---|---|
In dichloromethane inert atmosphere; stirring NbCl5 with excess amine (room temp., 10 h); solvent removal (vac.) drying (vac.); elem. anal.; | 100% |
yttrium(III) chloride
niobium pentachloride
Conditions | Yield |
---|---|
In neat (no solvent) Ar, stoichiometric mixture sealed in a quartz tube, heated at 1023 K for4 d, the heating and cooling ramps were 20 and 10 K*h**-1, respectively; | 99% |
1,2-dimethoxyethane
niobium pentachloride
aniline
cis,mer-Nb(NPh)Cl3(1,2-dimethoxyethane)
Conditions | Yield |
---|---|
With ZnCl2; pyridine In dichloromethane; toluene N2-atmosphere; addn. of 1 equiv. aniline and pyridine (in CH2Cl2) to mixt. of TaCl5 and DME with excess ZnCl2 (-40°C), stirring for 17 h; filtration, concn. (vac.), recrystn. (CH2Cl2/pentane); | 99% |
With pyridine; zinc(II) chloride Inert atmosphere; |
Conditions | Yield |
---|---|
With ZnCl2; pyridine In dichloromethane; toluene N2-atmosphere; addn. of 1 equiv. aniline and pyridine (in CH2Cl2) to mixt. of TaCl5 and DME with excess ZnCl2 (-40°C), stirring for 17 h; filtration, concn. (vac.), recrystn. (CH2Cl2/pentane); | 99% |
With pyridine; zinc(II) chloride Inert atmosphere; |
1,2-dimethoxyethane
niobium pentachloride
naphthalen-2-ylamine
Nb(N-2-naphthyl)Cl3(1,2-dimethoxyethane)
Conditions | Yield |
---|---|
With ZnCl2; pyridine In dichloromethane; toluene N2-atmosphere; addn. of 1 equiv. aniline and pyridine (in CH2Cl2) to mixt. of TaCl5 and DME with excess ZnCl2 (-40°C), stirring for 17 h; filtration, concn. (vac.), recrystn. (CH2Cl2/pentane); elem. anal.; | 99% |
1,2-dimethoxyethane
2-aminoanthracene
niobium pentachloride
Nb(N-2-anthryl)Cl3(1,2-dimethoxyethane)
Conditions | Yield |
---|---|
With ZnCl2; pyridine In dichloromethane; toluene N2-atmosphere; addn. of 1 equiv. aniline and pyridine (in CH2Cl2) to mixt. of TaCl5 and DME with excess ZnCl2 (-40°C), stirring for 17 h; filtration, concn. (vac.), recrystn. (CH2Cl2/pentane); | 99% |
2-methyl-2-butylamine
niobium pentachloride
Conditions | Yield |
---|---|
In diethyl ether; toluene N2-atmosphere; 3 equiv. amine, stirring for 4 h; evapn. (vac.), washing (pentane), drying (vac.); elem. anal.; | 99% |
niobium pentachloride
pentane
benzene
A
4,4'-bis[P-(chlorogold(I))diphenylphosphino]biphenyl
Conditions | Yield |
---|---|
In tetrahydrofuran under N2; soln. of Au complex in THF added to solid NbCl5; stirred at room temp. overnight; volatiles removed in vac.; dissolved in benzene; centrifuged; decanted; concd. in vac.; crystd. from benzene-pentane; elem. anal.; | A 99% B 76% |
diethyl ether
niobium pentachloride
Conditions | Yield |
---|---|
In toluene for 24h; Inert atmosphere; Glovebox; | 99% |
niobium pentachloride
toluene
Conditions | Yield |
---|---|
In toluene mixt. was refluxed for 16 h (N2) and evapd., toluene was added, mixt. was stirred for 20 min; evapd., collected from toluene; elem. anal.; | 98% |
niobium pentachloride
Conditions | Yield |
---|---|
In toluene byproducts: HCl; N2-atmosphere; addn. of NbCl5 to suspension of calix, refluxing (16 h); evapn., addn. of MePh, stirring (20 min), evapn.; elem. anal.; | 98% |
niobium pentachloride
dichlorotris(3,5-di-tert-butylpyrazolato)niobium(V)
Conditions | Yield |
---|---|
In toluene byproducts: KCl; Ar-atmosphere; slight excess of ligand, stirring at room temp. for 16 h; filtration (Celite), removal of volatiles (reduced pressure); elem. anal.; | 98% |
Conditions | Yield |
---|---|
Stage #1: niobium pentachloride With dihydrogen peroxide In water at 8℃; Stage #2: potassium hydroxide In water at 8 - 20℃; | 98% |
Methoxytrimethylsilane
niobium pentachloride
trichlorodimethoxyniobium(V)
Conditions | Yield |
---|---|
In dichloromethane byproducts: trimethylchlorosilane; reaction at -78°C, then was allowed to warm to room temp., concentreting under reduced pressure, hexane was added to give a white crist. solid (all in an inert atmosphere); washing with hexane, dried under vac., elem.anal.; | 97% |
Methoxytrimethylsilane
niobium pentachloride
dichlorotrimethoxyniobium(V)
Conditions | Yield |
---|---|
In dichloromethane byproducts: trimethylchlorosilane; reaction with three or more equiv. trimethylmethoxysilane at -78°C. The mixture was allowed to warm to room temp., concg. under reduced pressure, then hexane was added to give a white cryst. solid (all operations in an inert atmosphere); washing with hexane, dried under vac., elem.anal.; | 96% |
1,2-dimethoxyethane
niobium pentachloride
p-toluidine
[Nb(=NC6H4Me-4)Cl3(dme)]
Conditions | Yield |
---|---|
With ZnCl2; pyridine In dichloromethane byproducts: C5H5NH[ZnCl3]; inert atmosphere; addn. of 2 equiv. ZnCl2 and excess DME to NbCl5, cooling to -30°C, addn. of 1 equiv. of amine, stirring (room temp., 16 h); decantation, filtrtaion, solvent removal (reduced pressure), crystn. (CH2Cl2/hexane, -30°C); elem. anal.; | 96% |
4-trimethylsilyl-N,N-bis(trimethylsilyl)aniline
niobium pentachloride
bis(acetonitrile)trichloro(4-trimethylsilylphenylimido)niobium(V)
Conditions | Yield |
---|---|
In acetonitrile (Ar); addn. of a soln. of ligand in acetonitrile to a soln. of niobium salt in acetonitrile at room temp., stirring for 90 min; evapn., addn. of pentane, drying in vac.; elem. anal.; | 96% |
5,10,15,20-tetraphenyl-21H,23H-porphine
niobium pentachloride
Conditions | Yield |
---|---|
With H2O In benzonitrile Ar-atmosphere; slow addn. of ligand to NbCl5 soln., refluxing (20 h), addn. of H2O; extn. (CHCl3), washing (H2O), drying, chromy. (SiO2 or Al2O3, CHCl3/C6H6=1:2, then CHCl3/MeOH=4:1), recrystn. (C6H6); elem. anal.; | 96% |
niobium pentachloride
1-[dichloro(methyl)silyl]-1-(trimethylsilyl)cyclopentadiene
[NbCl4(η5-C5H4(SiCl2Me))]
Conditions | Yield |
---|---|
In dichloromethane under Ar, Schlenk techniques; soln. of ligand added dropwise to suspn. of NbCl5 (1:1) in CH2Cl2, stirred at room temp. for 16 h; concd., hexane added, crystd. on cooling to -30°C, elem. anal.; | 96% |
titanium
niobium pentachloride
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) stoich. amts. of Nb powder, Ti foil, CsCl, Nb2O5 and NbCl5 were mixed under Ar, placed in a silica tube, sealed under vac., heated for 4 d at 700°C and cooled to 500°C for 4 d and then to room temp.; | 95% |
Diphenyltrimethylsiloxy-N-trimethylsilylphosphinimid
niobium pentachloride
Conditions | Yield |
---|---|
In dichloromethane byproducts: (CH3)3SiCl; addn. of Me3SiOPPh2NSiMe3 to NbCl5 suspension under N2, -193°C; slowly allowing to warm up to room temp.; stirring, room temp., 12h; pptn.; filtration; washing (n-hexane); drying (vac.); elem. anal.; | 95% |
Hexamethyldisiloxane
niobium pentachloride
acetonitrile
Nb(O)Cl3(CH3CN)2
Conditions | Yield |
---|---|
In acetonitrile byproducts: Me3SiCl; soln. of (Me3Si)2O added dropwise to suspension of NbCl5 at room temp. under N2-atmosphere; mixture stirred for 2 h at room temp.;; filtration, concn., crystn. at -30°C, crystals dried in vacuo, elem. anal.; | 95% |
hexamethyldisilathiane
niobium pentachloride
niobium sulphide trichloride
Conditions | Yield |
---|---|
In dichloromethane Shlenck tube; addn. of soln. of org. compd. in CH2Cl2 to stirred suspn.of NbCl5 in CH2Cl2 (30 min); sepn., washing (CH2Cl2), drying (air); elem. anal.; | 95% |
niobium pentachloride
titanium(III) chloride
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) byproducts: Nb3Cl8; Ar atmosphere, TlCl, TiCl3, Nb, NbCl5 in sealed quartz tube at 720 °C for 3 d, heating and cooling rates: 50 °/h; | 95% |
niobium pentachloride
titanium(III) chloride
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) byproducts: Nb3Cl8; Ar atmosphere, RbCl, TiCl3, Nb, NbCl5 in sealed quartz tube at 720 °C for 3 d, heating and cooling rates: 50 °/h; | 95% |
niobium pentachloride
titanium(III) chloride
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) byproducts: Nb3Cl8; Ar atmosphere, KCl, TiCl3, Nb, NbCl5 in sealed quartz tube at 720 °C for 3 d, heating and cooling rates: 50 °/h; | 95% |
niobium pentachloride
titanium(III) chloride
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) byproducts: Nb3Cl8; Ar atmosphere, InCl, TiCl3, Nb, NbCl5 in sealed quartz tube at 720 °C for 3 d, heating and cooling rates: 50 °/h; | 95% |
niobium pentachloride
titanium(III) chloride
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) byproducts: Nb3Cl8; Ar atmosphere, CsCl, TiCl3, Nb, NbCl5 in sealed quartz tube at 720 °C for 3 d, heating and cooling rates: 50 °/h; | 95% |
Conditions | Yield |
---|---|
Stage #1: niobium pentachloride With 1-methyl-3,6-bis(trimethylsilyl)-1,4-cyclohexadiene In dichloromethane at 20℃; Stage #2: 2,2'-azopyridine In dichloromethane at 20℃; for 2h; | 95% |
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