Titanium(IV) chloride, 99.0% min, typically 99.6%
|UN#:||UN1838||Hazard Class:||6.1||Packing Group:||I|
|Alternate Name:||Titanium tetrachloride
Pricing and Availability
|Size||($) Price||Your Price||Quantity||Options||Availability|
|Formula weight:||189.69||Refractive Index:||1.61|
|Melting point:||-25°||Solubility:||Soluble in dilute hydrochloric acid, alcohol and alkalies.|
Moderately strong Lewis acid with extremely wide application. Review of use in organic synthesis: Angew. Chem. Int. Ed., 16, 817 (1977). Brief feature: Synlett, 364 (2002).
Examples of reactions mediated by TiCl4:
Conversion of ketones to N-alkylimines: Org. Synth. Coll., 6, 818 (1988); Acta Chem. Scand., 46, 1211 (1992). Aldol condensation of aryl ketones with aryl aldehydes: Tetrahedron Lett., 28, 4135 (1987). Crossed aldol condensation of silyl enol ethers with carbonyl compounds: J. Am. Chem. Soc., 96, 7503 (1974); Org. Synth. Coll., 8, 323 (1993). ɑ-Tert-alkylation of ketones by reaction of the silyl enol ether with a tertiary halide: Org. Synth. Coll., 7, 424 (1990); review: Angew. Chem. Int. Ed., 21, 96 (1982); see also Zinc chloride, A16281. Michael addition of silyl enol ethers to ɑß-enones: Org. Synth. Coll., 8, 210 (1993). For conjugate allylation of ɑß-enones, see Allyltrimethylsilane, A14662. Regiospecific [3+2] annulation of enones with silylated allenes: J. Am. Chem. Soc., 103, 1604 (1981); Tetrahedron, 39, 935 (1983); Org. Synth. Coll., 8, 347 (1993):
For use in a diastereoselective Mannich reaction, see: Helv. Chim. Acta, 67, 1593 (1984). Also used in combination with reducing agents for the generation of low-valent Ti species, which effect the reduction of various functional groups:
In combination with NaI, for reduction of amine oxides and nitrones to amines: Chem. Ber., 123, 647 (1990); and sulfoxides to sulfides: Synthesis, 155 (1991). With Mg, for deoxygenation of aromatic N-oxides: Synthesis, 732 (1987). With LAH for the otherwise difficult reduction of sulfones to sulfides: J. Chem. Soc., Chem. Commun., 761 (1994). Reviews of low-valent titanium reagents in organic synthesis: Synthesis, 883 (1989); J. Organomet. Chem., 405, 1 (1991); J. Prakt. Chem./ Chem. Ztg., 337, 250 (1995).
|Harmonized Tariff Code:||2827.39|
GHS Hazard and Precautionary Statements
Causes severe skin burns and eye damage.
Do not breathe dust/fume/gas/mist/vapours/spray. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.
Risk & Safety
|Reacts violently with water. Causes burns.|
|Keep container tightly closed and dry. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).|