- Name
Tantalum(V) ethoxide
- EINECS228-010-2
- CAS No.
6074-84-6
- Density1.566
- PSA46.15000
- LogP2.43600
- SolubilityDecomposes in water. Soluble in organic solvents.
- Melting Point21 °C(lit.)
- FormulaC2H6 O . 1/5 Ta
- Boiling Point155 °C0.01 mm Hg(lit.)
- Molecular Weight406.253
- Flash Point87 °F
- Transport InformationUN 2920
- AppearanceN/A
- Safety16-26-36/37/39-45
- Risk CodesR10;R34
- Molecular Structure
- Hazard Symbols
- Synonyms
- Article Data9
Tantalum(V) ethoxide Synthetic route
Ta(5+)*N(C3H7)(2-)*3N(C3H7)2(1-)=Ta(NC3H7){N(C3H7)2}3
ConditionsConditions | 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
tantalum
lithium chloride
A
LiTa9H(μ3-O)4(μ-O)9(μ-OEt)6(OEt)15(EtOH)
ConditionsConditions | 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.; | |
tantalum
ConditionsConditions | Yield |
---|
With LiCl In ethanol Electrochem. Process; dry Ar atmosphere; anodic oxidation of Ta in LiCl2 soln.; distillation; | |
ConditionsConditions | 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;; | |
- 110-18-9
N,N,N,N,-tetramethylethylenediamine
3Li(1+)*TaS4(3-)*2(CH3)2NCH2CH2N(CH3)2=Li3{TaS4}*2(CH3)2NCH2CH2N(CH3)2
ConditionsConditions | 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% |
- 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
[Cy7Si7O12Ta(OEt)(μ-OEt)]2
ConditionsConditions | Yield |
---|
In toluene for 26h; Reflux; | 80% |
BiTa4(μ-O)4(sal)4(Hsal)3(Oi-Pr)4
ConditionsConditions | 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% |
Bi2Ta2(μ-O)(sal)4(Hsal)4(OEt)2
ConditionsConditions | 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% |
- 1104-93-4
1,1,3,3-tetraphenyldisiloxane-1,3-diol
[{μ-(Ph2OSiO)2O}Ta(OEt)2(μ-OEt)]2
ConditionsConditions | Yield |
---|
In tetrahydrofuran at 20℃; for 48h; | 34% |
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: 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.