Tantalum(V) ethoxide supplier

Name
TANTALUM ETHOXIDE
EINECS 228-010-2
CAS No. 6074-84-6
Article Data9
CAS DataBase
Density 1.566
Solubility Decomposes in water. Soluble in organic solvents.
Melting Point 21 °C(lit.)
Formula C2H6 O . 1/5 Ta
Boiling Point 155 °C0.01 mm Hg(lit.)
Molecular Weight 406.253
Flash Point 87 °F
Transport Information UN 2920
Appearance
Safety 16-26-36/37/39-45
Risk Codes R10;R34
Molecular Structure
Hazard Symbols
Synonyms Ethanol,tantalum(5+) salt (9CI); Ethyl alcohol, tantalum(5+) salt (8CI); Tantalumethoxide (6CI,7CI); Ditantalum decaethoxide; Pentaethoxytantalum; Pentaethyltantalate; Tantalum ethylate; Tantalum pentaethoxide; Tantalum pentaethylate;Tantalum pentethoxide; Tantalum(5+) ethoxide; Tantalum(V) ethoxide
PSA 46.15000
LogP 2.43600

Synthetic route

: Ta(5+)*N(C3H7)(2-)*3N(C3H7)2(1-)=Ta(NC3H7){N(C3H7)2}3

: 6074-84-6
tantalum(V) ethoxide

Conditions

Conditions	Yield
With ethanol In benzene reaction with ethanol in benzene at ambient temp.;;	100%
With ethanol In benzene reaction with ethanol in benzene at ambient temp.;;	100%

: tantalum(V) oxide

: 80937-33-3
oxygen

: 6074-84-6
tantalum(V) ethoxide

Conditions

Conditions	Yield
In gas

: tantalum

: 64-17-5
ethanol

: lithium chloride

A: LiTa9H(μ3-O)4(μ-O)9(μ-OEt)6(OEt)15(EtOH)

B: 6074-84-6
tantalum(V) ethoxide

Conditions

Conditions	Yield
In ethanol Electrolysis; anodic dissolution of the metal in anhyd. alcohol in presence of LiCl assupporting electrolite; EtOH was evapd. from resulting electrolyte, the Ta(OEt)5 was extd. from residue with hexane, on prolonged storage of liquid crude Ta(OEt)5 the second Ta-Li complex crystllized in minor yield; elem. anal.;

...Expand

: tantalum

: 64-17-5
ethanol

: 6074-84-6
tantalum(V) ethoxide

Conditions

Conditions	Yield
With LiCl In ethanol Electrochem. Process; dry Ar atmosphere; anodic oxidation of Ta in LiCl2 soln.; distillation;

: 7721-01-9
tantalum pentachloride

: 6074-84-6
tantalum(V) ethoxide

Conditions

Conditions	Yield
With ethanol; ammonia In benzene byproducts: NH4Cl; TaCl5 was treated with ethanol in benzene in presence of excess NH3, the NH4Cl was separated, the filtrate was evaporated under reduced pressure;; distillation under reduced pressure;;
With ethanol; NH3 In benzene byproducts: NH4Cl; TaCl5 was treated with ethanol in benzene in presence of excess NH3, the NH4Cl was separated, the filtrate was evaporated under reduced pressure;; distillation under reduced pressure;;

: 3385-94-2
hexamethyldisilathiane

: 110-18-9
N,N,N,N,-tetramethylethylenediamine

: 865-34-9
lithium methanolate

: 6074-84-6
tantalum(V) ethoxide

: 3Li(1+)*TaS4(3-)*2(CH3)2NCH2CH2N(CH3)2=Li3{TaS4}*2(CH3)2NCH2CH2N(CH3)2

Conditions

Conditions	Yield
In diethyl ether; acetonitrile byproducts: Me3SiOEt, Me3SiOMe; under N2; a soln. of Ta(OEt)5 in ether added to a soln. of LiOMe and (Me3Si)2S in CH3CN; mixt. stirred at room temp.; TMEDA added;; elem. anal.;;	80%

...Expand

: 188612-43-3, 47904-22-3
1,3,5,7,9,11,14-heptacyclohexyltricyclo[7.3.3.1(5,11)]heptasiloxaneendo-3,7,14-triol

: 6074-84-6
tantalum(V) ethoxide

: [Cy7Si7O12Ta(OEt)(μ-OEt)]2

Conditions

Conditions	Yield
In toluene for 26h; Reflux;	80%

: 6074-84-6
tantalum(V) ethoxide

: 603-33-8
triphenylbismuthane

: 69-72-7
salicylic acid

: BiTa4(μ-O)4(sal)4(Hsal)3(Oi-Pr)4

Conditions

Conditions	Yield
With Mg(OOCCH3)2 In toluene under Ar; suspn. of Bi deriv. and salicylic acid in PhMe refluxed for 1 h, concd. in vac., redissolved in 2-propanol, added Mg salt, added dropwise Ta ethoxide, left at room temp. for 14 d; filtered, redissolved in CH2Cl2, filtered (Celite), added hexane; elem. anal.;	62%
In toluene under Ar; react. of Bi deriv. with Ta ethoxide and ligand;	0%
With NaOOCCH3 In toluene under Ar; react. of Bi deriv. with Ta ethoxide and ligand;	0%

...Expand

: 6074-84-6
tantalum(V) ethoxide

: 603-33-8
triphenylbismuthane

: 69-72-7
salicylic acid

: Bi2Ta2(μ-O)(sal)4(Hsal)4(OEt)2

Conditions

Conditions	Yield
In toluene under Ar; suspn. of Bi deriv. and salicylic acid in PhMe refluxed for 1 h, cooled to room temp., added dropwise Ta ethoxide, stirred at room temp. for 24 h; concd. in vac., washed (Et2O), dried in vac., recrystd. from CH2Cl2/hexane; elem. anal.;	58%

...Expand

: 1104-93-4
1,1,3,3-tetraphenyldisiloxane-1,3-diol

: 6074-84-6
tantalum(V) ethoxide

: [{μ-(Ph2OSiO)2O}Ta(OEt)2(μ-OEt)]2

Conditions

Conditions	Yield
In tetrahydrofuran at 20℃; for 48h;	34%

: 3385-94-2
hexamethyldisilathiane

: 56-34-8
tetraethylammonium chloride

: 6074-84-6
tantalum(V) ethoxide

: 95979-75-2
4(C2H5)4N(1+)*Ta6S17(4-)*3CH3CN=((C2H5)4N)4[Ta6S17]*3CH3CN

Conditions

Conditions	Yield
In acetonitrile byproducts: Me3SiOEt, Me3SiCl; a mixt. of Ta(OEt)5 and Et4NCl in MeCN was stirred at 50°C for 20-25 min, to the warm mixt. was added with stirring (Me3Si)2S, after it was cooled to room temp., the mixt. was stirred for 4-12 h; mixt. was filtered, ether was added, ppt. was recrystd. from MeCN; elem.anal.;	33%

...Expand

: 6074-84-6
tantalum(V) ethoxide

: 112926-00-8, 7631-86-9
silica gel

Ta2O5/SBA-15: Ta2O5/SBA-15

Conditions

Conditions	Yield
Stage #1: tantalum(V) ethoxide; silica gel In methanol at 23℃; for 18.1667h; Stage #2: With oxygen at 450℃; for 4h;

: 7732-18-5
water

: 6074-84-6
tantalum(V) ethoxide

: 123-54-6
acetylacetone

: tantalum(V) oxide

Conditions

Conditions	Yield
With laurylamine hydrochloride In water stirred at room temp. for 1 h, aged at 40°C for 1 d, kept at 80°C for 1 wk, dried at 80°C overnight, calcined at 650-800°C for 4 h; TGA, XRD, SEM, TEM;

...Expand

: 7732-18-5
water

: 6074-84-6
tantalum(V) ethoxide

: tantalum(V) oxide

Conditions

Conditions	Yield
With hydroxypropyl cellulose (HPT) In ethanol ethoxide and water are separately dissolved in equal volumes of ethanol, HPT as dispersant is added in water-ethanol soln., the two soln. are rapidly mixed, ppt. is centrifugated, dried in air at 80°C and fired at 800°C in air (2 h);

: 80937-33-3
oxygen

: 6074-84-6
tantalum(V) ethoxide

: tantalum(V) oxide

Conditions

Conditions	Yield
In neat (no solvent) (Ar); Ta-compound kept in bubbler heated at 130°C; flowed into reactor by Ar; reactor temp. maintained at 15°C; O2 fed into reactor;

: 6074-84-6
tantalum(V) ethoxide

: tantalum carbide

Conditions

Conditions	Yield
With acetylacetone; Sucrose In butan-1-ol Ta ethoxide and acetylacetone soln. refluxing (N2, 50°C, 1 h), saccharose addn., refluxing (80°C), partial evapn., fibre or film preparation, heat treatment (Ar, 500-1500°C, 1 h); X-ray diffraction, electron microscopy;
With benzene-1,2-diol; acetylacetone In butan-1-ol Ta ethoxide and acetylacetone soln. refluxing (N2, 50°C, 1 h), catechol addn., refluxing (80°C), partial evapn., fibre or film preparation, heat treatment (Ar, 500-1500°C, 1 h); X-ray diffraction, electron microscopy;
With ethylene glycol; acetylacetone In butan-1-ol Ta ethoxide and acetylacetone soln. refluxing (N2, 50°C, 1 h), ethylene glycol addn., refluxing (80°C), partial evapn., fibre or film preparation, heat treatment (Ar, 500-1500°C, 1 h); X-ray diffraction, electron microscopy;

: barium 2-methoxyethoxide

: 7732-18-5
water

: 6074-84-6
tantalum(V) ethoxide

: 142-72-3, 92123-19-8
magnesium acetate

: (barium)(magnesium)0.33(tantalum)0.67O3

Conditions

Conditions	Yield
In 2-methoxy-ethanol Mg(CH3OO)2 added to soln. of Ba salt; stirred for 1 h; mixed with Ta(OC2H5)5; stirred for 1 h; H2O (H2O:Ba molar ratio of 1:2) added; gel dried at 80°C; calcined at 300-600°C for 2 h; sintered (1450-1550°C, 2 h); annealed (1350°C, 5 h);

...Expand

peroxo-polytungstic acid: peroxo-polytungstic acid

: 7722-84-1
dihydrogen peroxide

: 6074-84-6
tantalum(V) ethoxide

: 7440-33-7
tungsten

peroxo-polytungstic acid#dot Ta(5+): peroxo-polytungstic acid#dot Ta(5+)

Conditions

Conditions	Yield
In ethanol; water; dihydrogen peroxide ethoxide dissolved in ethanol slowly added to H2O2/EtOH/H2O soln., ethanol evapd., addn. of ether to remove org. compd., H2O2 removed, filtration, addn. of peroxo-polytungstic acid soln., left sat room temp. for 24 h or more; dried at room temp.,;

...Expand

: lithium nitrate

: 6074-84-6
tantalum(V) ethoxide

: lithium tantalate

Conditions

Conditions	Yield
In not given soln. of LiNO3 and Ta(OEt)5 is heated (resin method), resin is pyrolyzed and then calcined (1000 K for 12 h), resulting metal-oxide powder is pressed into pellets, sintered at 1400-1600K for 24 h; XRD;

: 18826-95-4, 107-88-0
1.3-butanediol

: 6074-84-6
tantalum(V) ethoxide

: Ta(5+)*3OC2H5(1-)*2H(1+)*2CH2(O)CH2CH(O)CH3(2-)=Ta(OC2H5)3(CH2(OH)CH2CHOCH3)2

Conditions

Conditions	Yield
In benzene Ta(OC2H5)5 was treated with 1,3-butanediol in benzene, exchange of 2 ethoxy groups;;

: 18826-95-4, 107-88-0
1.3-butanediol

: 6074-84-6
tantalum(V) ethoxide

: tantalum(V) 1,3-butanediolate

Conditions

Conditions	Yield
In benzene Ta(OC2H5)5 was treated with 1,3-butanediol in benzene, exchange of all ethoxy groups;;

: 18826-95-4, 107-88-0
1.3-butanediol

: 6074-84-6
tantalum(V) ethoxide

: Ta(5+)*OC2H5(1-)*4H(1+)*4CH2(O)CH2CH(O)CH3(2-)=Ta(OC2H5)(CH2(OH)CH2CHOCH3)4

Conditions

Conditions	Yield
In benzene Ta(OC2H5)5 was treated with 1,3-butanediol in benzene, exchange of 4 ethoxy groups;;

: 2754-27-0
trimethylsilyl acetate

: 6074-84-6
tantalum(V) ethoxide

: Ta(5+)*2OC2H5(1-)*3(CH3)3SiO(1-)=Ta(OC2H5)2(OSi(CH3)3)3

Conditions

Conditions	Yield
In cyclohexane Ta(OC2H5)5 reacted with trimethylsilyl acetate in the stoichiometric amounts in cyclohexane;;

: 2754-27-0
trimethylsilyl acetate

: 6074-84-6
tantalum(V) ethoxide

: Ta(5+)*3OC2H5(1-)*2(CH3)3SiO(1-)=Ta(OC2H5)3(OSi(CH3)3)2

Conditions

Conditions	Yield
In cyclohexane Ta(OC2H5)5 reacted with trimethylsilyl acetate in the stoichiometric amounts in cyclohexane;;

: 2754-27-0
trimethylsilyl acetate

: 6074-84-6
tantalum(V) ethoxide

: Ta(5+)*4OC2H5(1-)*(CH3)3SiO(1-)=Ta(OC2H5)4(OSi(CH3)3)

Conditions

Conditions	Yield
In cyclohexane Ta(OC2H5)5 reacted with trimethylsilyl acetate in the stoichiometric amounts in cyclohexane;;

: 2754-27-0
trimethylsilyl acetate

: 6074-84-6
tantalum(V) ethoxide

: Ta(5+)*OC2H5(1-)*4(CH3)3SiO(1-)=Ta(OC2H5)(OSi(CH3)3)4

Conditions

Conditions	Yield
In cyclohexane Ta(OC2H5)5 reacted with trimethylsilyl acetate in the stoichiometric amounts in cyclohexane;;

: 6074-84-6
tantalum(V) ethoxide

: 126-30-7
2,2-Dimethyl-1,3-propanediol

: Ta(5+)*OC2H5(1-)*4(CH3)2C(CH2OH)(CH2O)(1-)=Ta(OC2H5)((CH3)2C(CH2OH)(CH2O))4

Conditions

Conditions	Yield
In benzene Ta(OC2H5)5 was treated with neopentyl glycol in benzene, exchange of 4 ethoxy groups;;

: 6074-84-6
tantalum(V) ethoxide

: 126-30-7
2,2-Dimethyl-1,3-propanediol

: Ta(5+)*3OC2H5(1-)*2(CH3)2C(CH2OH)(CH2O)(1-)=Ta(OC2H5)3((CH3)2C(CH2OH)(CH2O))2

Conditions

Conditions	Yield
In benzene Ta(OC2H5)5 was treated with neopentyl glycol in benzene, exchange of 2 ethoxy groups;;

: 6074-84-6
tantalum(V) ethoxide

: 126-30-7
2,2-Dimethyl-1,3-propanediol

: tantalum(V) neopentyl glycolate

Conditions

Conditions	Yield
In benzene Ta(OC2H5)5 was treated with neopentyl glycol in benzene, exchange of all ethoxy groups;;

Tantalum(V) ethoxide Chemical Properties

Molecule structure of Tantalum(V) ethoxide (CAS NO.6074-84-6):

IUPAC Name: Ethanolate; tantalum(5+)
Molecular Weight: 406.2504 [g/mol]
Molecular Formula: C₁₀H₂₅O₅Ta
Density: 1.566 g/cm³
Boiling point: 155 ºC
Refractive index: 1.487
Melting Point: 21 °C(lit.)
Flash Point: 87 °F
Storage Temp.: 2-8 °C
Sensitive: moisture sensitive/air sensitive
H-Bond Acceptor: 5
Exact Mass: 406.118195
MonoIsotopic Mass: 406.118195
Topological Polar Surface Area: 115
Heavy Atom Count: 16
Complexity: 2.8
Canonical SMILES: CC[O-].CC[O-].CC[O-].CC[O-].CC[O-].[Ta+5]
InChI: InChI=1S/5C2H5O.Ta/c5*1-2-3;/h5*2H2,1H3;/q5*-1;+5
InChIKey: HSXKFDGTKKAEHL-UHFFFAOYSA-N
EINECS: 228-010-2
Product Categories of Tantalum(V) ethoxide (CAS NO.6074-84-6): Catalysis and Inorganic Chemistry; Chemical Synthesis; Solution Deposition Precursors; Tantalum; TantalumMicro/Nanoelectronics

Tantalum(V) ethoxide Safety Profile

Hazard Codes: Corrosive C, F
Risk Statements: 10-34
R10:Flammable.
R34:Causes burns.
Safety Statements: 16-26-36/37/39-45
S16:Keep away from sources of ignition.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 2920 8/PG 2
WGK Germany: 3
F: 3-8-10-21
TSCA: No
HazardClass: 3
PackingGroup: III

Tantalum(V) ethoxide Specification

Tantalum(V) ethoxide (CAS NO.6074-84-6) is also named as Ethanol, tantalum(5+) salt ; Ethanol, tantalum(5+) salt (5:1) ; Tantalum(5+) ethanolate ; Tantalum ethylate ; Tantalum pentethoxide ; Pentaethoxytantalum ; Ethanol,tantalum(5+) salt (9CI) ; Ethyl alcohol, tantalum(5+) salt (8CI) ; Tantalumethoxide (6CI,7CI) ; Ditantalum decaethoxide ; Pentaethyltantalate ; Tantalum pentaethoxide ; Tantalum pentaethylate ; Tantalum(5+) ethoxide ; Tantalum(V) ethoxide . Tantalum(V) ethoxide (CAS NO.6074-84-6) is clear colorless to almost colorless liquid.

Product Name

TANTALUM ETHOXIDE

Synthetic route

Tantalum(V) ethoxide Chemical Properties

Tantalum(V) ethoxide Safety Profile

Tantalum(V) ethoxide Specification

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