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Merck

87741

Sigma-Aldrich

Hidróxido de tetrametilamonio pentahydrate

≥95.0% (T)

Sinónimos:

TMAH Pentahydrate

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About This Item

Fórmula lineal:
(CH3)4N(OH) · 5H2O
Número de CAS:
Peso molecular:
181.23
Beilstein/REAXYS Number:
3714235
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

vapor density

1.1 (vs air)

assay

≥95.0% (T)

form

crystals

autoignition temp.

878 °F

expl. lim.

36 %

impurities

≤0.1% halides (as chloride)

mp

67-70 °C (lit.)

anion traces

sulfate (SO42-): ≤1000 mg/kg

SMILES string

O.O.O.O.O.[OH-].C[N+](C)(C)C

InChI

1S/C4H12N.6H2O/c1-5(2,3)4;;;;;;/h1-4H3;6*1H2/q+1;;;;;;/p-1

InChI key

MYXKPFMQWULLOH-UHFFFAOYSA-M

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General description

Tetramethylammonium hydroxide pentahydrate is a clathrate hydrate, which shows high proton conductivity. It can readily uptake carbon dioxide. It is a promising candidate for energy devices, gas separation, and gas storage applications.

Application

Tetramethylammonium hydroxide pentahydrate is a clathrate hydrate, which shows high proton conductivity. It can readily uptake carbon dioxide. It is a promising candidate for energy devices, gas separation, and gas storage applications.
Tetramethylammonium hydroxide pentahydrate is a clathrate hydrate, which shows high proton conductivity. It can readily uptake carbon dioxide. It is a promising candidate for energy devices, gas separation, and gas storage applications.

Tetramethylammonium hydroxide pentahydrate may be used in the preparation of a mesoporous molecular sieve belonging to the MCM-41 (mobil composition of matter No. 41) category with silica to (tetrahedral) aluminum ratio as low as 8.5:1.

Caution

material is sensitive vs air/moisture. filling, handling and storage under Argon!

signalword

Danger

Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 2 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1B - STOT RE 1 Dermal - STOT SE 1

target_organs

Central nervous system, Liver,thymus

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


Certificados de análisis (COA)

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Synthesis of a mesoporous MCM-41 material with high levels of tetrahedral aluminium.
Schmidt R, et al.
Journal of the Chemical Society. Chemical Communications, (12), 1493-1494 (1994)
High conductivity and phase transitions of tetramethylammonium hydroxide pentahydrate,(CH3) 4NOH? 5H2O.
Kuriyama N, et al.
Solid State Ionics, 40, 906-909 (1990)
Proton Conduction of Tetramethylammonium Hydroxide Pentahydrate,(CH 3) 4 NOH? 5 H 2 O, and Its Application to Nickel?Metal Hydride Battery.
Kuriyama N, et al.
Journal of the Electrochemical Society, 137(1), 355-356 (1990)
NMR studies of molecular motion in tetramethylammonium hydroxide pentahydrate.
Ratcliffe CI, et al.
J. Incl. Phenom. Mol. Recog. Chem., 8(1-2), 159-175 (1990)
Wei Shen et al.
Chemical communications (Cambridge, England), 49(73), 8114-8116 (2013-08-08)
A simple and low-cost colorimetric assay utilizing ferrofluidic nanoparticulate probes (FNPs) and a ligase for single-nucleotide polymorphism genotyping is described. Excellent sensitivity and selectivity were accomplished through the engagement of the FNPs and a ligase chain reaction.

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