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201073

Aluminum-tri-sec-butoxide

97%

Synonym(s):

Aluminum sec-butoxide

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About This Item

Linear Formula:
Al[OCH(CH3)C2H5]3
CAS Number:
Molecular Weight:
246.32
UNSPSC Code:
12352103
NACRES:
NA.23
PubChem Substance ID:
EC Number:
218-871-2
Beilstein/REAXYS Number:
3910908
MDL number:
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Quality Segment

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

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.

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This Item
333182210072235849
form

liquid

form

granular

form

powder and chunks

form

powder

assay

97%

assay

98%

assay

≥98%

assay

-

density

0.967 g/mL at 25 °C (lit.)

density

2.02 g/mL at 25 °C (lit.)

density

3.205 g/mL at 25 °C (lit.)

density

-

bp

200-206 °C/30 mmHg (lit.)

bp

-

bp

255 °C/1 atm (lit.)

bp

-

expl. lim.

9.8 %

expl. lim.

-

expl. lim.

-

expl. lim.

-

reaction suitability

core: aluminum

reaction suitability

core: aluminum

reaction suitability

core: aluminum, reagent type: catalyst

reaction suitability

core: aluminum


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pictograms

FlameSkull and crossbones

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Flam. Liq. 3

Storage Class

3 - Flammable liquids

wgk

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



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Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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