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42836 Trimethylaluminum, 25% w/w in hexane

CAS Number
75-24-1
Synonyms

Stock No. Size Price ($) Quantity Availability
42836-AE 100ml 52.40
42836-AP 500ml 171.00
42836-AY *4x500ml 466.00
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Trimethylaluminum, 25% w/w in hexane

MDL
MFCD00008252
EINECS
200-853-0

Chemical Properties

Formula
(CH3)3Al
Formula Weight
72.09
Form
Liquid
Flash Point
-18°(-1°F)
Storage & Sensitivity
Moisture Sensitive. Air Sensitive. Store under Argon. Ambient temperatures.
Solubility
Soluble in aromatic, saturated aliphatic and cycloaliphatic hydrocarbons.

Applications

Trimethylaluminum is used as an intermediate in the production of methylaluminoxane. It is employed as a methylating agent in synthetic chemistry. It is also used in semiconductor fabrication to deposit thin film. It is involved in Tebbe's reagent, which is used for the methylenation of esters and ketones. It acts as an activator for Ziegler-Natta catalysts for olefin polymerization. It plays an important role in the Oppenauer oxidation reaction to prepare aldehydes and ketones. Further, it is used as plating agents and surface treating agents.

Notes

2.2-2.4MAir and moisture sensitive. Incompatible with strong oxidizing agents, water, acids, alcohols, oxygen and organic halides.

Literature References

Kerber, R. N.; Kerber, T.; Rozanska, X.; Delbecq, F.; Sautet, P. Grafting trimethylaluminum and its halogen derivatives on silica: general trends for 27 Al SS-NMR response from first principles calculations. Phys. Chem. Chem. Phys. 2015, 17 (40), 26937-26945.

Erickson, J. D.; Fettinger, J. C.; Power, P. P. Reaction of a Germylene, Stannylene, or Plumbylene with Trimethylaluminum and Trimethylgallium: Insertion into Al-C or Ga-C Bonds, a Reversible Metal-Carbon Insertion Equilibrium, and a New Route to Diplumbenes. Inorg. Chem. 2015, 54 (4), 1940-1948.

GHS Hazard and Precautionary Statements

Hazard Statements: H225-H260-H314-H318-H361-H336-H373-H304

Highly flammable liquid and vapour. In contact with water releases flammable gases which may ignite spontaneously. Causes severe skin burns and eye damage. Causes serious eye damage. Suspected of damaging fertility or the unborn child. May cause drowsiness or dizziness. May cause damage to organs through prolonged or repeated exposure. May be fatal if swallowed and enters airways.

Precautionary Statements: P223-P301+P310a-P303+P361+P353-P305+P351+P338-P405-P501a

Keep away from any possible contact with water, because of violent reaction and possible flash fire. IF SWALLOWED: Immediately call a POISON CENTER/doctor 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. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Beilstein
3587197
Hazard Class
4.3
Packing Group
I
Harmonized Tariff Code
2931.90
TSCA
Yes

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