218472
硅酸甲酯
98%
别名:
四甲氧基硅烷
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关于此项目
线性分子式:
Si(OCH3)4
化学文摘社编号:
分子量:
152.22
UNSPSC Code:
12352103
NACRES:
NA.23
PubChem Substance ID:
EC Number:
211-656-4
Beilstein/REAXYS Number:
1699658
MDL number:
InChI key
LFQCEHFDDXELDD-UHFFFAOYSA-N
InChI
1S/C4H12O4Si/c1-5-9(6-2,7-3)8-4/h1-4H3
SMILES string
CO[Si](OC)(OC)OC
vapor density
5.25 (vs air)
vapor pressure
13 hPa ( 20 °C)
assay
98%
form
liquid
Quality Level
bp
121-122 °C (lit.)
mp
−4 °C (lit.)
density
1.023 g/mL at 25 °C (lit.)
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General description
Tetramethyl orthosilicate (TMOS), also known as the methyl ester of orthosilicic acid, is a colorless liquid with low viscosity and is considered the most industrially significant among the tetraalkyl silicates. It is characterized by its excellent hydrolyzing and polymerizing properties, making it highly valuable in various chemical and material synthesis processes. It is insoluble in water.
Application
用于掺铬硅酸盐的溶胶-凝胶合成以及六方介孔氧化硅层的形成。
Tetramethyl orthosilicate is used as a silica source
- In the synthesis of water-stable CsPbBr₃@SiO₂ perovskite nanocrystals, forming a protective siloxane network that enhances their stability for bioimaging applications
- In the surface modification of magnetic nanoparticles to form a silica coating, enhancing their surface area and enabling efficient drug loading for targeted delivery applications.
- To form a protective SiO₂ matrix around CsPbBr₃ quantum dots, enabling self-enhanced electrochemiluminescence for advanced optoelectronic applications
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 1 Inhalation - Eye Dam. 1 - Flam. Liq. 3 - Skin Irrit. 2
存储类别
3 - Flammable liquids
wgk
WGK 1
flash_point_f
78.8 °F - closed cup
flash_point_c
26 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
法规信息
危险化学品
此项目有
Zian Lin et al.
Chemical communications (Cambridge, England), 47(34), 9675-9677 (2011-07-30)
An inorganic-organic hybrid affinity monolithic column was synthesized by a novel "one-pot" approach. The resulting hybrid affinity monoliths have potential applications in specific recognition and enrichment of glycoproteins.
Microemulsion-mediated self-assembly and silicification of mesostructured ferritin nanocrystals.
Elizabeth M Lambert et al.
Angewandte Chemie (International ed. in English), 49(24), 4100-4103 (2010-04-29)
Akhilesh Rai et al.
Langmuir : the ACS journal of surfaces and colloids, 26(6), 4152-4159 (2009-12-17)
We report an elegant and simple method to fabricate uniform silica films with controlled thickness, roughness, and hydrophilicity using nanogram quantities of silicatein, a protein involved in silica synthesis in sponges. The formation of uniform silica films was achieved by
Shota Miyazaki et al.
Journal of chromatography. A, 1218(15), 1988-1994 (2010-12-24)
Chromatographic properties of a new type of monolithic silica rod columns were examined. Silica rod columns employed for the study were prepared from tetramethoxysilane, modified with octadecylsilyl moieties, and encased in a stainless-steel protective column with two polymer layers between
Yan Fang et al.
Journal of chromatography. A, 1217(41), 6405-6412 (2010-09-03)
A simple capillary flow porometer (CFP) was assembled for through-pore structure characterization of monolithic capillary liquid chromatography columns in their original chromatographic forms. Determination of differential pressures and flow rates through dry and wet short capillary segments provided necessary information
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