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Merck
CN

86633

Tetraethylammonium hydroxide solution

~40% 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
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
57653060
MDL number:
MFCD00009024
Beilstein/REAXYS Number:
3912961

Key Documents

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Product Name

Tetraethylammonium hydroxide solution, ~40% in H2O

InChI

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

SMILES string

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

InChI key

LRGJRHZIDJQFCL-UHFFFAOYSA-M

form

liquid

concentration

~40% in H2O

impurities

≤0.1% halides (as chloride)

refractive index

n20/D 1.422

anion traces

sulfate (SO42-): ≤1000 mg/kg

functional group

amine

Quality Level

100

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Application

Tetraethylammonium hydroxide solution is widely used as a templating agent / structure-directing agent in the synthesis of ferric oxide nanorods, nanocrystalline yttrium oxide powder, silicoaluminophosphate (SAPO) molecular sieves and zeolites.

Disclaimer

may form precipitate on storage, can be redissolved on heating to 40°C

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
BCCB8576
BCBX5954
BCBW3150
BCBW2540
BCBR7954V

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Static hydrothermal crystallization of SUZ-4 zeolite in the presence of seed and tetraethylammonium hydroxide.
Zhou, Hualan and Wu, Yajing and Zhang, Wei and Wang, Jun
Materials Chemistry and Physics, 134(2-3), 651-656 (2012)
Synthesis of porous α-Fe2O3 nanorods and deposition of very small gold particles in the pores for catalytic oxidation of CO.
Zhong, Ziyi et al.
Chemistry of Materials, 19(19), 4776-4782 (2007)
Synthesis and characterization of nanocrystalline yttrium oxide prepared with tetraalkylammonium hydroxides.
Fokema, Mark D et al.
Langmuir, 16(7), 3154-3159 (2000)
Methanol conversion on SAPO-34 catalysts prepared by mixed template method.
Lee, Yun-Jo et al.
Applied Catalysis A: General, 329(19), 130-136 (2007)
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
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