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218472

Sigma-Aldrich

Tetramethyl orthosilicate

98%

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:
24853068
NACRES:
NA.23

Densità del vapore

5.25 (vs air)

Livello qualitativo

200

Tensione di vapore

13 hPa ( 20 °C)

Saggio

98%

Forma fisica

liquid

Indice di rifrazione

n20/D 1.368 (lit.)

P. eboll.

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

Tetramethyl orthosilicate (TMOS) is popularly used in the sol-gel synthesis of silicates1 and chromium-doped silicates and in the formation of hexagonal mesoporous silica layers.
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

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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Trimethoxymethylsilane 98%

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Triethoxymethylsilane 99%

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104906

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Tetrabutyl orthosilicate 97%

Sigma-Aldrich

T5702

Tetrabutyl orthosilicate

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
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
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
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.
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