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Sigma-Aldrich

Tetraethylammonium hydroxide solution

35 wt. % in H2O

Synonym(s):

TEAOH solution, TEA hydroxide

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About This Item

Linear Formula:
(C2H5)4N(OH)
CAS Number:
77-98-5
Molecular Weight:
147.26
Beilstein:
3912961
MDL number:
MFCD00009024
UNSPSC Code:
12352100
PubChem Substance ID:
24858282
NACRES:
NA.22

form

liquid

concentration

35 wt. % in H2O

refractive index

n20/D 1.404

density

1.023 g/mL at 25 °C

SMILES string

[OH-].CC[N+](CC)(CC)CC

InChI

1S/C8H20N.H2O/c1-5-9(6-2,7-3)8-4;/h5-8H2,1-4H3;1H2/q+1;/p-1

InChI key

LRGJRHZIDJQFCL-UHFFFAOYSA-M

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General description

TEAOH solution is a strong organic base used to adjust pH of the acidic mobile phase in chromatographic separation.

Application

Tetraethylammonium hydroxide solution (35 wt. % in H2O) may be used as an organic structure-directing agent (SDA)/template in the synthesis of mesoporous molecular sieves and zeolite samples.

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Synthesis of nanocrystalline zeolite beta in the absence of alkali metal cations.
Camblor MA
Studies in Surface Science and Catalysis, 105, 341-348 (1997)
Tin-containing zeolites are highly active catalysts for the isomerization of glucose in water.
Moliner M
Proceedings of the National Academy of Sciences of the USA, 107(14), 6164-6168 (2010)
Qiming Sun et al.
ChemSusChem, 11(21), 3812-3820 (2018-09-05)
Significant interest has emerged in the development of nanometer-sized and hierarchical silicoaluminophosphate zeolites (SAPO-34) because of their enhanced accessibility and improved catalytic activity for methanol-to-olefin (MTO) conversion. A series of nanometer-sized SAPO-34 catalysts with tunable hierarchical structures was synthesized in
Kyohei Ueno et al.
Membranes, 9(7) (2019-07-20)
Hydrophobic pure-silica *BEA-type zeolite membranes with large pores were prepared on tubular silica supports by hydrothermal synthesis using a secondary growth method and were applied to the separation of alcohol/water mixtures by pervaporation (PV), an alternative energy-efficient process for production
A new family of mesoporous molecular sieves prepared with liquid crystal templates.
Beck JS
Journal of the American Chemical Society, 114(27), 10834-10843 (1992)
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