Titanium isopropoxide
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Titanium isopropoxide, also commonly referred to as titanium tetraisopropoxide or TTIP, is a chemical compound with the formula Ti{OCH(CH3)2}4. This alkoxide of titanium(IV) is used in organic synthesis and materials science. It is a diamagnetic tetrahedral molecule. Titanium isopropoxide is a component of the Sharpless epoxidation, a method for the synthesis of chiral epoxides.[1][2]
Names | |
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IUPAC name
Titanium isopropoxide | |
Other names
Tetraisopropyl titanate Titanium(IV) i-propoxide Titanium tetraisopropoxide Tetraisopropyl orthotitanate | |
Identifiers | |
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3D model (JSmol) |
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ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.008.100 |
EC Number |
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PubChem CID |
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UNII | |
UN number | 1993 |
CompTox Dashboard (EPA) |
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Properties | |
C12H28O4Ti | |
Molar mass | 284.219 g·mol−1 |
Appearance | colorless to light-yellow liquid |
Density | 0.96 g/cm3 |
Melting point | 17 °C (63 °F; 290 K) approximation |
Boiling point | 232 °C (450 °F; 505 K) |
Reacts to form TiO2 | |
Solubility | soluble in ethanol, ether, benzene, chloroform |
Refractive index (nD) |
1.46 |
Hazards | |
GHS labelling: | |
Danger | |
H226, H318, H319, H336 | |
P210, P233, P240, P241, P242, P243, P261, P264, P271, P280, P303+P361+P353, P304+P340, P305+P351+P338, P310, P312, P337+P313, P370+P378, P403+P233, P403+P235, P405, P501 | |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose) |
7600 mg/kg (rat, oral) |
Related compounds | |
Other anions |
Titanium methoxide; Titanium ethoxide; Titanium butoxide |
Other cations |
Aluminium isopropoxide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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The structures of the titanium alkoxides are often complex. Crystalline titanium methoxide is tetrameric with the molecular formula Ti4(OCH3)16.[3] Alkoxides derived from bulkier alcohols such as isopropyl alcohol aggregate less. Titanium isopropoxide is mainly a monomer in nonpolar solvents.[4]