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Merck
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文件

334901

Sigma-Aldrich

四甲基氢氧化铵 溶液

25 wt. % in methanol

别名:

N,N,N-trimethyl-methanaminium hydroxide, TMAH, TMAOH

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About This Item

线性分子式:
(CH3)4N(OH)
CAS号:
75-59-2
分子量:
91.15
Beilstein:
3558708
MDL號碼:
MFCD00008280
分類程式碼代碼:
12352100
PubChem物質ID:
57648847
NACRES:
NA.21

蒸汽壓力

17.5 mmHg ( 20 °C)

品質等級

200

形狀

liquid

濃度

25 wt. % in methanol

雜質

≤10% water
≤2% chloride

密度

0.866 g/mL at 25 °C

SMILES 字串

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

InChI

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

InChI 密鑰

WGTYBPLFGIVFAS-UHFFFAOYSA-M

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相关类别

一般說明

四甲基氢氧化铵是一种强碱，用于酚和羧酸羟基的o-烷化。

四甲基氢氧化铵是一种季铵盐，由于高蚀刻速率，通常用作硅的各向异性蚀刻剂。

應用

四甲基氢氧化铵溶液（25 wt.% 甲醇溶液）可用于通过改良的溶胶-凝胶法合成氧化锆，在 CO 加氢反应中作为催化剂材料具有潜在的应用价值。

訊號詞

Danger

危險分類

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

標靶器官

Eyes,Central nervous system, Liver,thymus

儲存類別代碼

3 - Flammable liquids

水污染物質分類（WGK）

WGK 3

閃點（°F）

80.6 °F - closed cup

閃點（°C）

27 °C - closed cup

個人防護裝備

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

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分析证书(COA)

Lot/Batch Number
MKCQ5674
MKCP3355
MKCK9322
SHBL0630
SHBJ4838

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Characterization of Zirconia-based catalysts prepared by precipitation, calcination, and modified sol-gel methods.
Feng Z, et al.
Industrial & Engineering Chemistry Research, 34(1), 78-82 (1995)
The characteristic behavior of TMAH water solution for anisotropic etching on both silicon substrate and SiO 2 layer.
Chen PH, et al.
Sensors and actuators A, Physical, 93(2), 132-137 (2001)
Amy J Williams et al.
Astrobiology, 19(4), 522-546 (2019-03-15)
The Mars Curiosity rover carries a diverse instrument payload to characterize habitable environments in the sedimentary layers of Aeolis Mons. One of these instruments is Sample Analysis at Mars (SAM), which contains a mass spectrometer that is capable of detecting
Study on anisotropic silicon etching characteristics in various surfactant-added tetramethyl ammonium hydroxide water solutions.
Yang CR, et al.
Journal of Micromechanics and Microengineering, 15(11), 2028-2028 (2005)
Xosé López-Goldar et al.
PloS one, 15(5), e0232692-e0232692 (2020-05-02)
Inducibility of defences in response to biotic stimuli is considered an important trait in plant resistance. In conifers, previous research has mostly focused on the inducibility of the volatile fraction of the oleoresin (mono- and sesquiterpenes), leaving the inducibility of
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