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177806

Sigma-Aldrich

Tetraethylammonium hydroxide solution

20 wt. % in H2O

Synonym(s):

TEA hydroxide

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About This Item

Linear Formula:
(C2H5)4N(OH)
CAS Number:
77-98-5
Molecular Weight:
147.26
Beilstein/REAXYS Number:
3912961
MDL number:
MFCD00009024
UNSPSC Code:
12352100
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.

Application

  • Chromatographic applications: It plays a role in the preparation of ferrofluid from adipic acid-coated magnetic nanoparticles and hydrophobic deep eutectic solvent used in dispersive micro-solid-phase extraction, enhancing the pre-concentration and determination of clozapine in biological samples (Nia and Hadjmohammadi, 2023).
  • Material and interfacial science: Utilized in the remote control of polyelectrolyte-surfactant mixtures, tetraethylammonium hydroxide solution aids in creating responsive materials and interfacial properties for innovative material science applications (Schnurbus et al., 2022).

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Certificates of Analysis (COA)

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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
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)
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)
Nanomechanics of cation-π interactions in aqueous solution.
Qingye Lu et al.
Angewandte Chemie (International ed. in English), 52(14), 3944-3948 (2013-03-02)
Ling Xiao et al.
Circulation research, 112(10), 1310-1322 (2013-03-28)
A chromosomal haplotype producing cardiac overexpression of dipeptidyl peptidase-like protein-6 (DPP6) causes familial idiopathic ventricular fibrillation. The molecular basis of transient outward current (I(to)) in Purkinje fibers (PFs) is poorly understood. We hypothesized that DPP6 contributes to PF I(to) and
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