Trimethylaluminum
ALDRICH/663301 - packaged for use in deposition systems
Synonym: Aluminum trimethanide; TMA
CAS Number: 75-24-1
Empirical Formula (Hill Notation): C3H9Al
Molecular Weight: 72.09
EC Number: 200-853-0
MDL Number: MFCD00008252
Linear Formula: (CH3)3Al
Product Type: Chemical
Steel cylinder used to package pyrophoric substances for use in Atomic Layer Deposition systems.
| bp | 125-126 °C (lit.) |
| 127 °C/760 mmHg | |
| 20 °C/8 mmHg | |
| 56 °C/50 mmHg | |
| density | 0.752 g/mL at 25 °C (lit.) |
| description | heat of vaporization: ~41.9 kJ/mol (Dimer) |
| form | liquid |
| InChI | 1S/3CH3.Al/h3*1H3; |
| InChI key | JLTRXTDYQLMHGR-UHFFFAOYSA |
| mp | 15 °C (lit.) |
| Quality Level | 100  |
| reaction suitability | core: aluminum |
| SMILES string | C[Al](C)C |
| vapor pressure | 69.3 mmHg ( 60 °C) |
| Application: | Precursors Packaged for Depositions Systems |
| Application: | Trimethylaluminum can be used as:• A chemical vapor deposition precursor to fabricate PbSe quantum dot solids for optoelectronic devices. • An aluminum precursor for the flame synthesis of alumina nanofibers. • A reagent for efficient synthesis of allenes. |
| General description: | Trimethylaluminum ismainly used in the industrial production of polyethylene and other syntheticpolymers, where it is used as a co-catalyst for the polymerization reaction. Itis also used as a precursor to produce inorganic aluminum compounds, includingalumina and various zeolites. |
| Packaging: | 25 g in stainless steel cylinder |
| Symbol |   GHS02,GHS05 |
| Signal word | Danger |
| Hazard statements | H250 - H260 - H314 |
| Precautionary statements | P210 - P222 - P231 + P232 - P280 - P303 + P361 + P353 - P305 + P351 + P338 |
| Hazard Codes | F,C |
| Risk Statements | 14-17-34 |
| Safety Statements | 16-43-45 |
| RIDADR | UN 3394 4.3(4.2) / PGI |
| WGK Germany | nwg |
| Flash Point(F) | No data available |
| Flash Point(C) | No data available |
| Supplemental Hazard Statements | EUH014 |
| bp | 125-126 °C (lit.); 127 °C/760 mmHg; 20 °C/8 mmHg; 56 °C/50 mmHg |
| mp | 15 °C (lit.) |
| Density | 0.752 g/mL at 25 °C (lit.) |
| UNSPSC | 12352103 |