Titanium butoxide
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Titanium butoxide is a metal alkoxide with the formula Ti(OBu)4 (Bu = –CH2CH2CH2CH3). It is a colorless odorless liquid although aged samples can appear yellowish. Owing to hydrolysis, samples have a weak alcohol-like odor. It is soluble in many organic solvents.[1][3] Decomposition in water is not hazardous, and therefore titanium butoxide is often used as a liquid source of titanium dioxide, which allows deposition of TiO2 coatings of various shapes and sizes down to the nanoscale.[4][5]
Quick Facts Names, Identifiers ...
gas phase structure | |
Names | |
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IUPAC name
Titanium(IV) butoxide | |
Other names | |
Identifiers | |
3D model (JSmol) |
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ChemSpider | |
ECHA InfoCard | 100.024.552 |
EC Number |
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PubChem CID |
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UNII | |
UN number | 2920 |
CompTox Dashboard (EPA) |
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Properties | |
C16H36O4Ti | |
Molar mass | 340.32164 |
Appearance | COLORLESS TO LIGHT-YELLOW LIQUID |
Odor | weak alcohol-like[1] |
Density | 0.998 g/cm3[1] |
Melting point | -55 °C[1] |
Boiling point | 312 °C[1] |
decomposes[1] | |
Solubility | most organic solvents except ketones[1] |
Refractive index (nD) |
1.486[1] |
Thermochemistry | |
Heat capacity (C) |
711 J/(mol·K)[2] |
Std enthalpy of formation (ΔfH⦵298) |
-1670 kJ/mol[2] |
Hazards | |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose) |
3122 mg/kg (rat, oral) and 180 mg/kg (mouse, intravenal).[1] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Titanium butoxide is often used to prepare titanium oxide materials and catalysts.[6][7][citation needed]