Trimethylaluminium
Also known as: Trimethylaluminum, Aluminum trimethanide, Aluminum, trimethyl-, AlMe3, TMA, Trimethylalumine, trimethylaluminum solution, trimethylalumane, trimethyl-alane, trimethyl-aluminu
Trimethylaluminium (CAS 75-24-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H9Al and a molecular weight of 72.085 g/mol. Key properties include a melting point of 15 °C, a boiling point of 126 °C, a density of 0.81 g/mL at 25 °C and a flash point of 4.4 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H250 and H260. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 75-24-1
- Jingsj CID
- J-1994296-2
- Molecular Formula
- C3H9Al
- Molecular Weight
- 72.085 g/mol
- Category
- Organic Compounds
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 15 °C |
|---|---|
| Boiling Point | 126 °C |
| Density | 0.81 g/mL at 25 °C |
| Flash Point | 4.4 °C |
| Exact Mass | 72.051964 |
| LogP | 1.75140 |
| Refractive Index | 1.432 (12ºC) |
| Additional Property | REACTS |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H250
- H260
- H304
- H314 — Causes severe skin burns and eye damage
- H336 — May cause drowsiness or dizziness
- H373 — May cause damage to organs through prolonged exposure
Frequently Asked Questions
What is the CAS number of Trimethylaluminium?
The CAS number of Trimethylaluminium is 75-24-1.
What are the molecular formula and molecular weight of Trimethylaluminium?
Trimethylaluminium has molecular formula C3H9Al and molecular weight 72.085 g/mol.
Is Trimethylaluminium hazardous?
Trimethylaluminium has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H250; H260.
What are the upstream and downstream products of Trimethylaluminium?
For Trimethylaluminium, Upstream Products: Aluminium chloride, Triethylaluminum, iodomethane; Downstream Products: ether, Bibenzyl, o-Isopropenyltoluene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Trimethylaluminium (CAS 75-24-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1994296-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.