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Merck
모든 사진(1)

주요 문서

87741

Sigma-Aldrich

Tetramethylammonium hydroxide pentahydrate

≥95.0% (T)

동의어(들):

TMAH Pentahydrate

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About This Item

Linear Formula:
(CH3)4N(OH) · 5H2O
CAS Number:
Molecular Weight:
181.23
Beilstein:
3714235
EC Number:
MDL number:
UNSPSC 코드:
12352100
PubChem Substance ID:
NACRES:
NA.22

vapor density

1.1 (vs air)

Quality Level

분석

≥95.0% (T)

양식

crystals

autoignition temp.

878 °F

expl. lim.

36 %

불순물

≤0.1% halides (as chloride)

mp

67-70 °C (lit.)

음이온 미량물

sulfate (SO42-): ≤1000 mg/kg

작용기

amine

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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일반 설명

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.

애플리케이션

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.

주의사항

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

신호어

Danger

유해 및 위험 성명서

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

표적 기관

Central nervous system, Liver,thymus

Storage Class Code

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

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

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


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시험 성적서(COA)

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문서 라이브러리 방문

High conductivity and phase transitions of tetramethylammonium hydroxide pentahydrate,(CH3) 4NOH? 5H2O.
Kuriyama N, et al.
Solid State Ionics, 40, 906-909 (1990)
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)
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)
Markus Welcker et al.
Genes & development, 27(23), 2531-2536 (2013-12-04)
The Fbw7 tumor suppressor targets a broad network of proteins for ubiquitylation. Here we show critical functions for Fbw7 dimerization in regulating the specificity and robustness of degradation. Dimerization enables Fbw7 to target substrates through concerted binding to two suboptimal

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