vapor density
5.25 (vs air)
Quality Segment
vapor pressure
13 hPa ( 20 °C)
assay
98%
form
liquid
refractive index
n20/D 1.368 (lit.)
bp
121-122 °C (lit.)
mp
−4 °C (lit.)
density
1.023 g/mL at 25 °C (lit.)
SMILES string
CO[Si](OC)(OC)OC
InChI
1S/C4H12O4Si/c1-5-9(6-2,7-3)8-4/h1-4H3
InChI key
LFQCEHFDDXELDD-UHFFFAOYSA-N
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
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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