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177806

Sigma-Aldrich

Tetraethylammonium hydroxide solution

20 wt. % in H2O

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Synonym(s):
TEA hydroxide
Linear Formula:
(C2H5)4N(OH)
CAS Number:
77-98-5
Molecular Weight:
147.26
Beilstein:
3912961
MDL number:
MFCD00009024
PubChem Substance ID:
57647667
NACRES:
NA.21

form

liquid

Quality Level

200

concentration

20 wt. % in H2O

refractive index

n20/D 1.373

density

1.01 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

The product is 20wt.% solution of tetraethylammonium hydroxide (TEA hydroxide, TENOH) in H2O. TEA hydroxide is a quaternary ammonium hydroxide (QAH). It participates in the synthesis of zeolite beta. TENOH peptized titania aqueous sols have been employed in the preparation of nanocrystalline anatase films.

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

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

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Crystallization mechanism of zeolite beta from (TEA)2O, Na2O and K2O containing aluminosilicate gels.
Perez-Pariente J, et al.
Applied Catalysis, 31(1), 35-64 (1987)
Hydrothermal processing of nanocrystalline anatase films from tetraethylammonium hydroxide peptized titania sols.
Yang J, et al.
J. Eur. Ceram. Soc., 24(2), 335-339 (2004)
Izumi C Mori et al.
Chemosphere, 120, 299-304 (2014-08-26)
The aquatic ecotoxicity of chemicals involved in the manufacturing process of thin film transistor liquid crystal displays was assessed with a battery of four selected acute toxicity bioassays. We focused on tetramethylammonium hydroxide (TMAH, CAS No. 75-59-2), a widely utilized
Karen Mruk et al.
Proceedings of the National Academy of Sciences of the United States of America, 109(34), 13579-13583 (2012-08-08)
Calmodulin (CaM) is a ubiquitous intracellular calcium sensor that directly binds to and modulates a wide variety of ion channels. Despite the large repository of high-resolution structures of CaM bound to peptide fragments derived from ion channels, there is no
Min Shen et al.
Vascular pharmacology, 58(1-2), 64-70 (2012-07-24)
Evidence has indicated that resveratrol (Res) produces vasorelaxation and may decrease the coronary heart disease mortality. However, several pathways involved in the mechanism of vasorelaxation are still unclear. This study was designed, therefore, to test the probable ion channels or
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