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Key Documents

331635

Sigma-Aldrich

四甲基氢氧化铵 溶液

25 wt. % in H2O

同義詞:

TMAH溶液

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About This Item

線性公式:
(CH3)4N(OH)
CAS號碼:
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 H2O

折射率

n20/D 1.3806

密度

1.016 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

四甲基氢氧化铵溶液是一种常用的强碱 和有机合成反应中的亲核基团源

應用

四甲基氢氧化铵是一种季铵盐,由于其具有高硅蚀刻速率,常被用作硅的各向异性蚀刻剂。
四甲基氢氧化铵溶液(25wt.%水溶液)可用作调节pH的碱,以制备得到六方中孔铝磷酸盐(TAP)。

訊號詞

Danger

危險分類

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

標靶器官

Central nervous system, Liver,thymus

儲存類別代碼

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

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


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