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Merck

333859

Sigma-Aldrich

原硅酸四乙酯

99.999% trace metals basis

别名:

TEOS, 四乙基硅酸盐, 四乙氧基硅, 四乙氧基硅烷, 四乙氧基硅(IV), 硅酸四乙酯, 原硅酸四乙酯

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About This Item

线性分子式:
Si(OC2H5)4
CAS号:
分子量:
208.33
Beilstein:
1422225
EC號碼:
MDL號碼:
分類程式碼代碼:
12352300
PubChem物質ID:
NACRES:
NA.23

蒸汽密度

7.2 (vs air)

品質等級

蒸汽壓力

<1 mmHg ( 20 °C)

化驗

99.999% trace metals basis

形狀

liquid

折射率

n20/D 1.382 (lit.)

bp

168 °C (lit.)

密度

0.933 g/mL at 20 °C (lit.)

SMILES 字串

CCO[Si](OCC)(OCC)OCC

InChI

1S/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3

InChI 密鑰

BOTDANWDWHJENH-UHFFFAOYSA-N

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一般說明

正硅酸四乙酯(TEOS)是一种无机材料,由于其对水具有高亲和力,可用作溶胶凝胶技术等方法合成硅基材料的前体。它还可用于合成混合膜。

應用

TEOS主要用作硅源合成氧化硅,以进一步用于各种光电子学应用中。这一成分还可用于形成混合涂层,有望用于腐蚀防护。
将与十二胺相互作用形成 H+-麦烃硅钠石的插层化合物,并用于混合金属生物活性玻璃的研究。
常用作制备干凝胶的前体

象形圖

FlameExclamation mark

訊號詞

Warning

危險分類

Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - STOT SE 3

標靶器官

Respiratory system

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 1

閃點(°F)

113.0 °F - closed cup

閃點(°C)

45 °C - closed cup

個人防護裝備

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


分析证书(COA)

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Fabrication of tunable silica-mineralized nanotubes using flagella as bio-templates
Jo W, et al.
Nanotechnology, 23(5) (2012)
Deposition of thick TEOS PECVD silicon oxide layers for integrated optical waveguide applications
Bulla DAP and Morimoto NI
Thin Solid Films, 334(1-2), 60-64 (1998)
Deposition of thick TEOS PECVD silicon oxide layers for integrated optical waveguide applications
Bulla DAP and Morimoto NI
Thin Solid Films, 334, 60-64 (1998)
Sol-gel-derived hybrid coatings for corrosion protection
Chou TP, et al.
Journal of Sol-Gel Science and Technology, 26(1-3), 321-327 (2003)
A performance evaluation of direct methanol fuel cell using impregnated tetraethyl-orthosilicate in cross-linked polymer membrane
Jung DH, et al.
International Journal of Hydrogen Energy, 26(12), 1263-1269 (2001)

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