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440213

Sigma-Aldrich

Triethoxy(octyl)silane

97%

Sinonimo/i:

Octyltriethoxysilane

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100 ML
66,10 €
1 L
183,00 €

66,10 €

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Cambia visualizzazione
100 ML
66,10 €
1 L
183,00 €

About This Item

Formula condensata:
CH3(CH2)7Si(OC2H5)3
Numero CAS:
2943-75-1
Peso molecolare:
276.49
Beilstein:
2325287
Numero CE:
220-941-2
Numero MDL:
MFCD00039883
Codice UNSPSC:
12352103
ID PubChem:
24867577
NACRES:
NA.23

66,10 €

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Saggio

97%

Stato

liquid

Indice di rifrazione

n20/D 1.417 (lit.)

P. ebollizione

84-85 °C/0.5 mmHg (lit.)

Densità

0.88 g/mL at 25 °C (lit.)

Stringa SMILE

CCCCCCCC[Si](OCC)(OCC)OCC

InChI

1S/C14H32O3Si/c1-5-9-10-11-12-13-14-18(15-6-2,16-7-3)17-8-4/h5-14H2,1-4H3
MSRJTTSHWYDFIU-UHFFFAOYSA-N

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Descrizione generale

Triethoxy(octyl)silane (TEOS) is an alkoxide organosilane with four ethyl ester sidechains. It is used as a self-assembled monolayer and provides a hydrophobic coating with low surface energy. The water contact angle is in the range of 150-170°.[1]

Applicazioni

Aluminium alloy can be coated with TEOS and 1H, 1H, 2H, 2H perfluorooctyl trichloro silane (PFOTS) to obtain superhydrophobicity with a high contact angle of 160-170° for vessel hulls and marine systems.[2] It may be used to stabilize the porosity for a colorimetric sensor for immediate color changes, which finds potential application in the detection of toxic gases.[3] It may also be used in the production of hybrid zeolites.[4]
Triethoxy(octyl)silane may be used to prepare several formulations for fabricating low-cost, colorimetric sensor arrays to detect toxic gases.[5]

Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H315

Classi di pericolo

Skin Irrit. 2

Codice della classe di stoccaggio

10 - Combustible liquids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

212.0 °F - closed cup

Punto d’infiammabilità (°C)

100 °C - closed cup

Dispositivi di protezione individuale

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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Certificati d'analisi (COA)

Lot/Batch Number
MKCW9797
MKCV3480
MKCQ4447
MKCM7970
SHBJ4582

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I documenti relativi ai prodotti acquistati recentemente sono disponibili nell’Archivio dei documenti.

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Fabrication of Superhydrophobic Al5083 Aluminum Alloy for Marine Applications.
Javad F, et al.
Protection of Metals and Physical Chemistry of Surfaces, 54(5), 899-908 (2018)
Danielle R Scheff et al.
Soft matter, 16(24), 5659-5668 (2020-06-11)
Macromolecules can phase separate to form liquid condensates, which are emerging as critical compartments in fields as diverse as intracellular organization and soft materials design. A myriad of macromolecules, including the protein FUS, form condensates which behave as isotropic liquids.
A colorimetric sensor array of porous pigments
Analyst, 134(12), 2453-2457 (2009)
Synthesis of hybrid zeolites using a solvent-free method in the presence of different organosilanes.
Petkowicz I, et al.
Microporous and Mesoporous Materials : The Official Journal of the International Zeolite Association, 241(12), 98-106 (2017)
Robust multifunctional superhydrophobic coatings with enhanced water/oil separation, self-cleaning, anti-corrosion, and anti-biological adhesion.
Cho E, et al.
Chemical Engineering Journal, 314, 347-357 (2017)
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Domande

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 risposta

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 risposta

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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