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679259

Sigma-Aldrich

Tetramethyl orthosilicate

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

Sinônimo(s):

Tetramethoxysilane

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About This Item

Fórmula linear:
Si(OCH3)4
Número CAS:
681-84-5
Peso molecular:
152.22
Beilstein:
1699658
Número CE:
211-656-4
Número MDL:
MFCD00008341
Código UNSPSC:
12352103
ID de substância PubChem:
24885480
NACRES:
NA.23
Preço e disponibilidade não estão disponíveis no momento.

grau

deposition grade

densidade de vapor

5.25 (vs air)

pressão de vapor

13 hPa ( 20 °C)

Ensaio

≥98%
≥99.9% trace metals basis

Formulário

liquid

índice de refração

n20/D 1.368 (lit.)

p.e.

121-122 °C (lit.)

pf

−4 °C (lit.)

densidade

1.023 g/mL at 25 °C (lit.)

cadeia de caracteres SMILES

CO[Si](OC)(OC)OC

InChI

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

chave InChI

LFQCEHFDDXELDD-UHFFFAOYSA-N

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Aplicação

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

Palavra indicadora

Danger

Frases de perigo

H226,H315,H318,H330

Classificações de perigo

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

Código de classe de armazenamento

3 - Flammable liquids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

78.8 °F - closed cup

Ponto de fulgor (°C)

26 °C - closed cup

Equipamento de proteção individual

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

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Certificados de análise (COA)

Lot/Batch Number
MKCS9865
MKCG1788
MKBN8236V
MKBN7452V
MKBJ8106V

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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
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
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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