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679259

Sigma-Aldrich

Tetramethyl orthosilicate

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

Sinonimo/i:

Tetramethoxysilane

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About This Item

Formula condensata:
Si(OCH3)4
Numero CAS:
681-84-5
Peso molecolare:
152.22
Beilstein:
1699658
Numero CE:
211-656-4
Numero MDL:
MFCD00008341
Codice UNSPSC:
12352103
ID PubChem:
24885480
NACRES:
NA.23

Grado

deposition grade

Densità del vapore

5.25 (vs air)

Tensione di vapore

13 hPa ( 20 °C)

Saggio

≥98%
≥99.9% trace metals basis

Stato

liquid

Indice di rifrazione

n20/D 1.368 (lit.)

P. ebollizione

121-122 °C (lit.)

Punto di fusione

−4 °C (lit.)

Densità

1.023 g/mL at 25 °C (lit.)

Stringa SMILE

CO[Si](OC)(OC)OC

InChI

1S/C4H12O4Si/c1-5-9(6-2,7-3)8-4/h1-4H3
LFQCEHFDDXELDD-UHFFFAOYSA-N

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Applicazioni

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

Avvertenze

Danger

Indicazioni di pericolo

H226,H315,H318,H330

Classi di pericolo

Acute Tox. 1 Inhalation - Eye Dam. 1 - Flam. Liq. 3 - Skin Irrit. 2

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

78.8 °F - closed cup

Punto d’infiammabilità (°C)

26 °C - closed cup

Dispositivi di protezione individuale

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

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Certificati d'analisi (COA)

Lot/Batch Number
MKCS9865
MKCG1788
MKBN8236V
MKBN7452V
MKBJ8106V

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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
Josef Planeta et al.
Journal of chromatography. A, 1217(36), 5737-5740 (2010-08-03)
The temperature effects during the sol-gel process and ageing of the silica-based monolith on the structure and separation efficiency of the capillary columns (100microm i.d., 150mm) for HPLC separations were studied. The tested columns were synthesized from a mixture of
Carmen Carrasquilla et al.
Journal of the American Chemical Society, 134(26), 10998-11005 (2012-06-26)
Structure-switching, fluorescence-signaling DNA and RNA aptamers have been reported as highly versatile molecular recognition elements for biosensor development. While structure-switching DNA aptamers have been utilized for solid-phase sensing, equivalent RNA aptamers have yet to be successfully utilized in solid-phase sensors
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
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From Form to Function: Molding Porous Materials in Three Dimensions by Colloidal Crystal Templating

Deposition Grade Silanes for Sol-Gel Processes

Deposition Grade Silanes, fully characterized by chemical analysis and nuclear magnetic resonance (NMR) with greater than 98% purity, for Sol-Gel Processes.

Sol-Gel Science for Ceramic Materials

Reactive silicone chemistry: Focus on pure silicon production, polymerizations, and controlled stereochemistry reactions.

Mesoporous Oxides and Their Applications to Hydrogen Storage

Mesoporous materials, such as aerogels, offer advantages for practical hydrogen storage. They have large surface areas, open porosity, small pore sizes, and the ability to coat the surface with one or more compounds.

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