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679259 Sigma-Aldrich

Tetramethyl orthosilicate

deposition grade, ≥98%, ≥99.9% trace metals basis

Synonym: Tetramethoxysilane

  • CAS Number 681-84-5

  • Linear Formula Si(OCH3)4

  • Molecular Weight 152.22

  •  Beilstein/REAXYS Number 1699658

  •  EC Number 211-656-4

  •  MDL number MFCD00008341

  •  PubChem Substance ID 24885480

  •  NACRES NA.23

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Properties

Related Categories Chemical Synthesis, Materials Science, Micro/NanoElectronics, Organometallic Reagents, Organosilicon,
Quality Level   100
grade   deposition grade
vapor density   5.25 (vs air)
vapor pressure   3.35 psi ( 20 °C)
assay   ≥98%
  ≥99.9% trace metals basis
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

Description

Packaging

50 g in glass bottle

Application

Used in the sol-gel synthesis of chromium-doped silicates and in the formation of hexagonal mesoporous silica layers.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 2606 3(6.1) / PGI
WGK Germany 
WGK 3
RTECS 
VV9800000
Flash Point(F) 
78.8 °F - closed cup
Flash Point(C) 
26 °C - closed cup
Protocols & Articles

Articles

Bio-Inspired “Green” Synthesis of Nanomaterials and their Applications

Dr. Siddharth V. Patwardhan Department of Chemical and Process Engineering University of Strathclyde, 75 Montrose Street Glasgow G1 1XJ, UK Email: Siddharth.Patwardhan@strath.ac.uk
Keywords: Adsorption, Agriculture, Apoptosis, Cancer, Catalysis, Condensations, Cosmetics, Deposition, Environmental, Enzyme activity, Green chemistry, Hydration reaction, Immobilization, Microwave synthesis, Nanomaterials, Pharmaceutical, Precipitation, Reductions, Separation, Sol-gel, Solvents

Deposition Grade Silanes for Sol-Gel Processes

Sol-gel processing is beneficial in the formation of ceramic and glass films for a number of reasons.1-4 It is a simple process that does not require exotic materials, catalysts or expensive depositi...
Keywords: Chromatography, Condensations, Deposition, Electronics, Gas chromatography, Gas chromatography mass spectrometry, Mass spectrometry, Nuclear magnetic resonance spectroscopy, Sol-gel

From Form to Function: Molding Porous Materials in Three Dimensions by Colloidal Crystal Templating

Methods of structuring materials with submicrometer features in two dimensions have become highly sophisticated. For example, lithographic methods are now capable of carving out several hundred milli...
Melissa A. Fierke, Fan Li, and Prof. Andreas Stein
Material Matters 2008, 3.1, 10.
Keywords: Applications, Centrifugation, Chemical vapor deposition, Combustion, Deposition, Diffraction, Diffusion, Emulsion polymerization, Filtration, Methods, Photographs, Polymerization reactions, Precipitation, Semiconductor, Sol-gel

Mesoporous Oxides and Their Applications to Hydrogen Storage

Solid-state hydrogen storage is attractive from a technological point of view, but has encountered tremendous challenges in terms of practical storage capacity and kinetics.1-3 Hydrogen sorption, whe...
Arlon J. Hunt1, Karl Gross2, Samuel S. Mao1
Material Matters Volume 4 Article 2
Keywords: Addition reactions, Adsorption, Applications, Catalysis, Chemical vapor deposition, Condensations, Deposition, Diffusion, Insecticides, Magnetic resonance spectroscopy, Material Matters, Methods, Microscopy, Nanomaterials, Photographs, Scanning electron microscopy, Size-exclusion chromatography, Sol-gel, Substitutions, Transmission electron microscopy

Nanostructured Materials Through Ultrasonic Spray Pyrolysis

Advances in materials have often been led by the development of new synthetic methods that provide control over size, morphology and structure. The preparation of materials in a scalable and continuo...
Jin Ho Bang, Yuri T. Didenko, Richard J. Helmich, and Kenneth S. Suslick
Material Matters, Volume 7, Number 2, 15–20
Keywords: Antimicrobials, Cancer, Catalysis, Characterizations, Chemical reactions, Condensations, Deposition, Diffusion, Electronics, Evaporation, Flow cytometry, Nanomaterials, Oxidations, Photovoltaics, Precipitation, Purification, Reductions, Semiconductor, Separation, Solar cells, Solvents, Thin film deposition

Recent Developments in Silicon Anode Materials for High Performance Lithium-Ion Batteries

Xuefeng Song,1* Xiaobing Wang,2 Zhuang Sun,1 Peng Zhang,1 and Lian Gao1 1State Key Laboratory for Metallic Matrix Composite Materials, School of Materials Science and Engineering, Shanghai Jiao Tong ...
Keywords: Automotive, Deposition, Diffusion, Electrochemical reactions, Environmental, Lithiations, Materials Science, Microscopy, Nanomaterials, Nanotubes, Polymerization reactions, Reductions, Scanning electron microscopy, Transmission electron microscopy

Sol-Gel Science for Ceramic Materials

Silicon-based research has drawn much attention in recent years with targeted organizations such as the International Sol-Gel Society hosting workshops,1 and the Sol-Gel Gateway2 hosting a compendium...
Dr. Sandra Kay Young
Material Matters 2006, 1.3, 8.
Keywords: Ceramics, Condensations, Deposition, Evaporation, Hydrosilylations, Infrared spectroscopy, Ligands, Nuclear magnetic resonance spectroscopy, Polymerization reactions, Sol-gel

Synthesis of Melting Gels Using Mono-Substituted and Di-Substituted Alkoxysiloxanes

Hybrid organic-inorganic sol-gel materials containing silica were first called “ORMOSILs” in 1984.1 Since then, the number of hybrid organicinorganic combinations has increased rapidly.2 Hybrid mater...
Lisa C. Klein and Andrei Jitianu
Material Matters, Volume 7, Number 2, 8–14
Keywords: Absorption, Adhesion, Calorimetry, Combustion, Condensations, Deposition, Exothermic, Filtration, Materials Science, Melting, Oxidations, Polymerization reactions, Purification, Semiconductor, Sol-gel, Solar cells, Solvents, Spin coating, Substitutions, Thermal analysis

Peer-Reviewed Papers
15

References

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