Tantalum(V) ethoxide

Tantalum(V) ethoxide
Names
IUPAC name
Tantalum(V) ethoxide
Other names
  • Tantalum ethylate
  • Tantalum(V) ethylate
  • Pentaethyl tantalate
  • Tantalum pentaethoxide
  • Pentaethoxytantalum(V)
  • Tantalum(5+) pentaethanolate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.025.464 Edit this at Wikidata
EC Number
  • 228-010-2
  • [Ta+5].[O-]CC.[O-]CC.[O-]CC.[O-]CC.[O-]CC
Properties
C10H25O5Ta
Molar mass 406.25 g mol−1
Appearance Colorless liquid
Density 1.566 g/cm3 (at 25 °C)
Melting point 21 °C (70 °F; 294 K)
Boiling point 145 °C (293 °F; 418 K) at 0.0133 kPa
reacts
Solubility Organic solvents
1.488[1]
Hazards[2]
GHS labelling:
GHS02: FlammableGHS05: CorrosiveGHS07: Exclamation mark
Danger
H226, H314, H319, H335
P280, P305+P351+P338
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g. canola oilInstability 2: Undergoes violent chemical change at elevated temperatures and pressures, reacts violently with water, or may form explosive mixtures with water. E.g. white phosphorusSpecial hazard W: Reacts with water in an unusual or dangerous manner. E.g. sodium, sulfuric acid
2
1
2
W
Flash point 31 °C; 87 °F; 304 K
Safety data sheet (SDS) External MSDS
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Tantalum(V) ethoxide is a metalorganic compound with formula Ta2(OC2H5)10, often abbreviated as Ta2(OEt)10. It is a colorless solid that dissolves in some organic solvents but hydrolyzes readily.[3] It is used to prepare films of tantalum(V) oxide.

  1. ^ "Tantalum Ethoxide and Niobium Ethoxide". Materian Advanced Chemicals. Retrieved 19 October 2012.
  2. ^ "Tantalum (V) ethoxide 99.98% trace metals basis". Sigma Aldrich. Retrieved 18 October 2012.
  3. ^ Lide, David R., ed. (2006). CRC Handbook of Chemistry and Physics (87th ed.). Boca Raton, FL: CRC Press. ISBN 0-8493-0487-3.