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Merck

663301

Trimethylaluminum

packaged for use in deposition systems

Synonym(s):

Aluminum trimethanide, TMA

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About This Item

Linear Formula:
(CH3)3Al
CAS Number:
75-24-1
Molecular Weight:
72.09
UNSPSC Code:
12352103
NACRES:
NA.23
PubChem Substance ID:
24884629
EC Number:
200-853-0
Beilstein/REAXYS Number:
3587197
MDL number:
MFCD00008252

Product Name

Trimethylaluminum, packaged for use in deposition systems

InChI key

JLTRXTDYQLMHGR-UHFFFAOYSA-N

InChI

1S/3CH3.Al/h3*1H3;

SMILES string

C[Al](C)C

vapor pressure

69.3 mmHg ( 60 °C)

description

heat of vaporization: ~41.9 kJ/mol (Dimer)

form

liquid

reaction suitability

core: aluminum

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.)

Quality Level

100

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Application

Precursors Packaged for Depositions Systems
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.

pictograms

FlameCorrosion
GHS02,GHS05

signalword

Danger

Hazard Classifications

Eye Dam. 1 - Pyr. Liq. 1 - Skin Corr. 1B - Water-react 1

supp_hazards

EUH014

Storage Class

4.2 - Pyrophoric and self-heating hazardous materials

wgk

nwg

flash_point_f

No data available

flash_point_c

No data available

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
SHBP1162
SHBL6474
SHBL1265
SHBK4017
SHBJ5671

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