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257222

Sigma-Aldrich

Trimethylaluminum

97%

Sinonimo/i:

TMA

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About This Item

Formula condensata:
(CH3)3Al
Numero CAS:
75-24-1
Peso molecolare:
72.09
Beilstein:
3587197
Numero CE:
200-853-0
Numero MDL:
MFCD00008252
Codice UNSPSC:
12352103
ID PubChem:
24855575
NACRES:
NA.23

Tensione di vapore

69.3 mmHg ( 60 °C)

Livello qualitativo

200

Descrizione

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

Saggio

97%

Forma fisica

liquid

Impiego in reazioni chimiche

core: aluminum

P. eboll.

125-126 °C (lit.)
127 °C/760 mmHg
20 °C/8 mmHg
56 °C/50 mmHg

Punto di fusione

15 °C (lit.)

Densità

0.752 g/mL at 25 °C (lit.)

Stringa SMILE

C[Al](C)C

InChI

1S/3CH3.Al/h3*1H3;
JLTRXTDYQLMHGR-UHFFFAOYSA-N

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Descrizione generale

Trimethylaluminum (TMA) is a widely used precursor in the chemical vapor deposition (CVD) process to produce thin films in various applications. TMA is highly reactive and pyrophoric, which makes it an effective source of aluminum in thin film deposition processes to improve optoelectronic properties, such as enhanced light absorption and carrier transport characteristics.

Applicazioni

Trimethylaluminum can be used:
  • As a growth initiator to synthesize self-assembled aluminum nanoparticles via atomic layer deposition.
  • As a precursor to synthesize aluminum-doped ZnO thin films(AZO) for electron transport layer of perovskite solar cells. TMA enhances electrical conductivity and thermal stability of perovskite layers.
  • To fabricate Al2O3-coated Si-alloy anodes for Li-ion batteries. This coating helps to suppress the volume expansion of Si and improves cell stability.
  • To fabricate Al2O3-coated graphite electrode with superior anti-self-discharging behavior (260 h) with long stability (900 cycles), for Al-ion battery.

Confezionamento

Supplied in a Sure/Pac™ cylinder with a 1/4-turn bronze ball valve (Z122661) installed. This has a female 1/4"" NPT outlet thread and is closed with a male 1/4"" NPT carbon steel plug. The plug must be removed before use after ensuring the valve is in the closed position.

Compatible with the following:For instructions please refer to technical bulletin AL-136: The Aldrich Sure/Pac™ Cylinder System

Altre note

Storage below 20°C may cause crystallization.

Note legali

Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
Sure/Pac is a trademark of Sigma-Aldrich Co. LLC

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Pittogrammi

FlameCorrosion
GHS02,GHS05

Avvertenze

Danger

Indicazioni di pericolo

H250,H260,H314

Classi di pericolo

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

Rischi supp

EUH014

Codice della classe di stoccaggio

4.2 - Pyrophoric and self-heating hazardous materials

Classe di pericolosità dell'acqua (WGK)

nwg

Punto d’infiammabilità (°F)

No data available

Punto d’infiammabilità (°C)

No data available

Dispositivi di protezione individuale

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

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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Metalorganic chemical vapor deposition of Al2O3 using trimethylaluminum and O2 precursors: Growth mechanism and crystallinity
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Journal of Crystal Growth, 408, 78-84 (2014)
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Thin Solid Films, 552, 124-135 (2014)
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