201073

Aluminum-tri-sec-butoxide

97%

• Synonym(s): Aluminum sec-butoxide
• Linear Formula: Al[OCH(CH₃)C₂H₅]₃
• CAS Number: 2269-22-9
• Molecular Weight: 246.32
• Beilstein/REAXYS Number: 3910908
• EC Number: 218-871-2
• MDL number: MFCD00009327
• UNSPSC Code: 12352103
• PubChem Substance ID: 24851994
• NACRES: NA.23

Properties

• assay: 97%
• form: liquid
• autoignition temp.: 763 °F
• expl. lim.: 9.8 %
• reaction suitability: core: aluminum
• bp: 200-206 °C/30 mmHg (lit.)
• density: 0.967 g/mL at 25 °C (lit.)
• SMILES string: CCC(C)O[Al](OC(C)CC)OC(C)CC
• InChI: 1S/3C4H9O.Al/c3*1-3-4(2)5;/h3*4H,3H2,1-2H3;/q3*-1;+3
• InChI key: WOZZOSDBXABUFO-UHFFFAOYSA-N

Description

General description

Aluminum-tri-sec-butoxide is a metal organic chemical vapor deposition precursor and a chelating agent. It is widely used as a sol-gel precursor to deposit alumina thin films by atomic layer deposition method.

Application

Aluminum-tri-sec-butoxide can be used as a precursor :

• To prepare Al₂O₃-based quasi-solid electrolyte for Li metal anodes. This ensures long cycle lifetime and high constant current density.
• To synthesize nanospinel MgAl₂O₄ powder by a sol–gel method at low-temperature processing.
• To fabricate transparent superhydrophobic aluminum oxide thin films to prevent soiling of solar panels.
• To synthesize mesoporous alumina with large surface area to fabricate a functional interlayer for separator coating in a Li–S battery. It helps to suppress the shuttle effect and enhances cyclic stability andrateperformance.

Features and Benefits

• Suitable for thin film deposition
• Solubility in various solvents allows for the facile preparation of solution-based precursors
• High thermal stability
• Facilitates the anchoring of catalytic metal nanoparticles onto substrates

Has been utilized in making high-surface-area alumina using 2,4-pentanedione (Aldrich product P775-4) as a chelating agent.

Safety Information

• pictograms: GHS02,GHS06
• signalword: Danger
• hcodes: H226,H302,H311
• pcodes: P210 - P233 - P240 - P280 - P301 + P312 - P303 + P361 + P353
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Flam. Liq. 3
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 3
• flash_point_f: 78.8 °F - closed cup
• flash_point_c: 26 °C - closed cup
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter