257222
Trimethylaluminum
97%
동의어(들):
Aluminum trimethanide, TMA
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About This Item
Linear Formula:
(CH3)3Al
CAS Number:
Molecular Weight:
72.09
Beilstein:
3587197
EC Number:
MDL number:
UNSPSC 코드:
12352103
PubChem Substance ID:
NACRES:
NA.23
vapor pressure
69.3 mmHg ( 60 °C)
Quality Level
설명
heat of vaporization: ~41.9 kJ/mol (dimer)
분석
97%
양식
liquid
반응 적합성
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.)
SMILES string
C[Al](C)C
InChI
1S/3CH3.Al/h3*1H3;
InChI key
JLTRXTDYQLMHGR-UHFFFAOYSA-N
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일반 설명
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.
애플리케이션
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.
포장
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
기타 정보
Storage below 20°C may cause crystallization.
법적 정보
Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
Sure/Pac is a trademark of Sigma-Aldrich Co. LLC
신호어
Danger
유해 및 위험 성명서
Hazard Classifications
Eye Dam. 1 - Pyr. Liq. 1 - Skin Corr. 1B - Water-react 1
보충제 위험성
Storage Class Code
4.2 - Pyrophoric and self-heating hazardous materials
WGK
nwg
Flash Point (°F)
No data available
Flash Point (°C)
No data available
개인 보호 장비
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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