A7698512
Trimethylaluminum solution , 2.0Mintoluene , 75-24-1
Synonym(s):
Aluminum trimethanide;Aluminum trimethanide solution;TMA
CAS NO.：75-24-1
Empirical Formula: C3H9Al
Molecular Weight: 72.09
MDL number: MFCD00008252
EINECS: 200-853-0
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 15 °C |
| Boiling point: | 126 °C |
| Density | 0.81 g/mL at 25 °C |
| vapor pressure | 69.3 mmHg ( 60 °C) |
| Flash point: | 40 °F |
| storage temp. | 0-6°C |
| solubility | Soluble in aromatic, saturated aliphatic and cycloaliphatic hydrocarbons. |
| form | Liquid |
| color | Clear colorless |
| Specific Gravity | 0.688 |
| Odor | Corrosive odor and "taste" may be detectable from trimethylaluminum fires |
| Water Solubility | REACTS |
| Sensitive | Air & Moisture Sensitive |
| Hydrolytic Sensitivity | 9: reacts extremely rapidly with atmospheric moisture - may be pyrophoric - glove box or sealed system required |
| BRN | 3587197 |
| Exposure limits | ACGIH: TWA 50 ppm (Skin) OSHA: TWA 500 ppm(1800 mg/m3) NIOSH: IDLH 1100 ppm; TWA 50 ppm(180 mg/m3) |
| InChIKey | JLTRXTDYQLMHGR-UHFFFAOYSA-N |
Description and Uses
Trimethylaluminium can be used as catalyst for olefin polymerization, pyrophoric fuel, manufacture of straight-chain primary alcohols and olefins, to produce luminous trails in upper atmosphere to track rockets.
Safety
| Symbol(GHS) |   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,N |
| Risk Statements | 11-14-17-34-50/53-65-67-14/15-63-48/20-51/53-20-62 |
| Safety Statements | 26-36/37/39-45-61-62-6A-43A-24/25-16-43-60-33-25-24 |
| RIDADR | UN 3399 4.3/PG 1 |
| WGK Germany | 3 |
| RTECS | BD2204000 |
| F | 1-10 |
| Autoignition Temperature | Spontaneously ignites in air (even as a frozen solid) |
| TSCA | Yes |
| HazardClass | 4.3 |
| PackingGroup | I |
| HS Code | 29319090 |
| Toxicity | TLV-TWA (ACGIH) 2 mg (Al)/m3 |
