257222
Triméthylaluminium
97%
Synonyme(s) :
Aluminium triméthyl, TMA
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About This Item
Formule linéaire :
(CH3)3Al
Numéro CAS:
Poids moléculaire :
72.09
Numéro Beilstein :
3587197
Numéro CE :
Numéro MDL:
Code UNSPSC :
12352103
ID de substance PubChem :
Nomenclature NACRES :
NA.23
Produits recommandés
Pression de vapeur
69.3 mmHg ( 60 °C)
Niveau de qualité
Description
heat of vaporization: ~41.9 kJ/mol (dimer)
Pureté
97%
Forme
liquid
Pertinence de la réaction
core: aluminum
Point d'ébullition
125-126 °C (lit.)
127 °C/760 mmHg
20 °C/8 mmHg
56 °C/50 mmHg
Pf
15 °C (lit.)
Densité
0.752 g/mL at 25 °C (lit.)
Chaîne SMILES
C[Al](C)C
InChI
1S/3CH3.Al/h3*1H3;
Clé InChI
JLTRXTDYQLMHGR-UHFFFAOYSA-N
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Description générale
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.
Application
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.
Conditionnement
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:
Compatible with the following:
- Aldrich® Sure/Pac™ station for liquefied gases Z566446
- PTFE Sealing tape Z104388 or Z221880
- Straight septum-inlet adapter Z118141 with septa Z565687 or Z565695
Autres remarques
Storage below 20°C may cause crystallization.
Informations légales
Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
Sure/Pac is a trademark of Sigma-Aldrich Co. LLC
Adaptateur d'entrée à septum
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En option
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Souvent commandé avec ce produit
Réf. du produit
Description
Tarif
Mention d'avertissement
Danger
Mentions de danger
Classification des risques
Eye Dam. 1 - Pyr. Liq. 1 - Skin Corr. 1B - Water-react 1
Risques supp
Code de la classe de stockage
4.2 - Pyrophoric and self-heating hazardous materials
Classe de danger pour l'eau (WGK)
nwg
Point d'éclair (°F)
No data available
Point d'éclair (°C)
No data available
Équipement de protection individuelle
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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