INTRODUCTION
Trimethylaluminium belongs to class of organometallics. It is a highly reactive chemical and its solution in toluene is normally used to facilitate workability. Its general applications are in cross coupling and carboalumination reactions.
Manufacture
The organometallic is manufactured from metallic aluminium either by reaction with methylmercury or with chloromethane.
| Synonym | Trimethylalane Trimethylalumine |
| CAS no. | 75-24-1 |
| EINECS no. | 200-853-0 |
| Molecular formula | C3H9Al |
| Molecular weight | 72.09 |
| Structure |  |
Applications
| API |
|---|
| Imidocarb Dipropionate, an antiprotozoal agent |
| Intermediates |
|---|
| 9,9-Dimethyl-9H-xanthene |
| Bis(cyclopentadienyl)dimethyltin |
| Amidochloromethyl aluminium |
| Trimethylborane |
| 3,3-Dimethylcyclohexane |
| Others |
|---|
| Co-catalyst in polyolefin synthesis |
| forms a series of carbonyl compounds with 4-bromo-2,6-di-t-butylphenol |
| In preparation of Tebbe Reagent |
| Produces luminous trail in upper atmosphere to track rockets |
| As a precursor for MOCVD method in semi-conductors |
| Test | Unit | Specifications |
|---|---|---|
| Appearance | – | Clear or slightly hazy pale yellow liquid |
| Solubility | – | Soluble in organic liquids |
| Density at 25 deg cel | gm/ml | 0.800 – 0.820 |
| Molarity | M | 1.83 – 1.98 |
| Concentration | % | 16.30 – 17.60 |
| Trimethylaluminium Neat | ||
| Assay | % | Min 97.0 |
| Al content | % | 36.3 – 37.4 |
STORAGE
At 15 – 25 °C, air sensitive. It is shipped in reefer container.
PACKING
90 kg UN-approved cylinder
REACH Status
Not registered
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