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Merck

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:
分子量:
91.15
Beilstein:
3558708
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.21

蒸汽壓力

17.5 mmHg ( 20 °C)

品質等級

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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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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访问文档库

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
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)
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)
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)
Quantitative Methylation of Lignin Monomers Using Tetrabutylammonium Hydroxide and MeI and Applications in Organic Synthesis
Zuo Y, et al.
ACS Omega, 8, 7057-7062 (2023)

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