Trimethylaluminum (TMA)

Trimethylaluminum (TMA)

CAS Number
75-24-1
Molecular Formula
C3H9Al
FlammableFlammable
CorrosiveCorrosive

About Trimethylaluminum (TMA)

Trimethylalumane serves as a critical organometallic precursor for atomic layer deposition (ALD) in advanced semiconductor fabrication, where the rapid transition toward sub-5nm logic nodes has driven domestic electronics manufacturers to secure a reliable bulk chemical supplier capable of providing ultra-high purity m...

Synonyms

  • aluminium trimethyl
  • Aluminium, trimethyl-
  • C3H9Al
  • Trimethylaluminum solution
  • TRIMTHLALUM 100ML

Trimethylaluminum (TMA) Specifications

CAS Number
75-24-1
Molecular Formula
C3H9Al
IUPAC NameORBotanical Name
trimethylalumane
Canonical SMILES
C[Al](C)C
InChI Key
JLTRXTDYQLMHGR-UHFFFAOYSA-N
InChI
InChI=1S/3CH3.Al/h3*1H3;
UNII Code
AV210LG46J
DSSTox Substance ID
DTXSID9058787
EINECS Number
200-853-0
MDL Number
MFCD00008252
HSN No
29319090
Molecular Weight
72.09 g/mol
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
0
Rotatable Bond Count
0
Exact Mass
72.0519637 Da
Monoisotopic Mass
72.0519637 Da
Topological Polar Surface Area
0 Ų
GHS Hazard Statements
H250 (98.9%): Catches fire spontaneously if exposed to air H260 (98.6%): In contact with water releases flammable gases which may ignite spontaneously H314 (98.9%): Causes severe skin burns and eye damage H318 (41.4%): Causes serious eye damage
Hazard Classes and Categories
Pyr. Liq. 1 (98.9%) Water-react. 1 (98.6%) Skin Corr. 1B (98.9%) Eye Dam. 1 (41.4%)

Semiconductor Manufacturing

An aluminum precursor used in atomic layer deposition (ALD) and chemical vapor deposition (CVD) to deposit high-quality aluminum oxide thin films and high-k dielectrics

Photovoltaic Industry

A chemical precursor utilized to form aluminum oxide passivation layers on silicon wafers to improve solar cell efficiency

Polymer Industry

A highly efficient cocatalyst employed in the Ziegler-Natta polymerization of olefins like polyethylene and polypropylene

Chemical Synthesis

An ultra-reactive methylation agent and Lewis acid used as a reagent in organic and organometallic synthesis workflows

  1. aluminium trimethyl
  2. Aluminium, trimethyl-
  3. C3H9Al
  4. Trimethylaluminum solution
  5. TRIMTHLALUM 100ML

Trimethylaluminum (TMA) FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

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