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Key Documents

86631

Sigma-Aldrich

Tetraethylammonium hydroxide solution

~25% in methanol (~1.5 M)

Synonyma:

TEA hydroxide

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About This Item

Lineární vzorec:
(C2H5)4N(OH)
Číslo CAS:
Molekulová hmotnost:
147.26
Beilstein/REAXYS Number:
3912961
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

form

liquid

Quality Level

concentration

~25% in methanol (~1.5 M)

anion traces

sulfate (SO42-): ≤1000 mg/kg

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

Tetraethylammonium hydroxide (TEAOH) is a quaternary ammonium salt that is commonly used as a strong base and phase-transfer catalyst in organic synthesis.

Application

Tetraethylammonium hydroxide (25% in methanol) can be used as a base in the synthesis of 2-hydroxyacetophenoxime from 2-hydroxysalicylaldoxime and hydroxylamine hydrochloride. It is also used as an organic structure-directing agent in the synthesis of zeolites such as Beta, ZSM-20, and SAPO-34.

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B - STOT SE 1

target_organs

Eyes,Central nervous system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

49.5 °F

flash_point_c

9.7 °C

ppe

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


Osvědčení o analýze (COA)

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Experimental eye research, 116, 27-35 (2013-07-31)
The present study was conducted to test the hypothesis; OCT may be active from blood-to-vitreous for the uptake of its substrates. Ocular uptake of Tetraethylammonium (TEA) across blood ocular barriers and the tissue distribution was evaluated in vivo in New
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We investigated the effects of changing extracellular K(+) concentrations on block of the weak inward-rectifier K(+) channel Kir1.1b (ROMK2) by the three intracellular cations Mg(2+), Na(+), and TEA(+). Single-channel currents were monitored in inside-out patches made from Xenopus laevis oocytes
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