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215120

Sigma-Aldrich

Siliziumtetrachlorid

99%

Synonym(e):

STC, Tetrachlorsilan

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€ 118,00

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100 G
€ 40,20
1 KG
€ 118,00

About This Item

Lineare Formel:
SiCl4
CAS-Nummer:
Molekulargewicht:
169.90
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352103
PubChem Substanz-ID:
NACRES:
NA.23

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Dampfdichte

5.86 (vs air)

Qualitätsniveau

Dampfdruck

420 mmHg ( 37.7 °C)

Assay

99%

Form

liquid

Eignung der Reaktion

core: silicon

bp

57.6 °C (lit.)

mp (Schmelzpunkt)

−70 °C (lit.)

Dichte

1.483 g/mL at 25 °C (lit.)

SMILES String

Cl[Si](Cl)(Cl)Cl

InChI

1S/Cl4Si/c1-5(2,3)4

InChIKey

FDNAPBUWERUEDA-UHFFFAOYSA-N

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Allgemeine Beschreibung

Silicon tetrachloride (SiCl4) is an inorganic compound. It′s crystal structure is similar to that of carbon tetrachloride (CCl4). SiCl4 can be synthesized by the chlorination of silicon compounds (e.g. Mg2Si, SiC, SiO2/C).[1]

Anwendung

SiCl4 may be used;
  • in the preparation of high purity silicon, high purity silicon derived from silicon tetrachloride may find major applications in the semiconductors industry and in photovoltaic cells.[1]
  • to dealuminate zeolite,[2] mordenite.[3]
  • as a coupling agent for the synthesis of amine from carboxylic acid and an amide.[4]
  • in the synthesis of nanosilica.[5]

Piktogramme

Skull and crossbonesCorrosion

Signalwort

Danger

Gefahreneinstufungen

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1A - STOT SE 3

Zielorgane

Respiratory system

Zusätzliche Gefahrenhinweise

Lagerklassenschlüssel

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Faceshields, Gloves, Goggles


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1 of 1

Verma NK , et al.
Comprehensive Chemistry XI null
Dealumination of mordenite using silicon tetrachloride vapour
Klinowski J, et al.
Zeolites, 3(1), 5-7 (1983)
Using hydrolysis of silicon tetrachloride to prepare highly dispersed precipitated nanosilica
Xiao Y, et al.
Chemical Engineering Journal, 283(1), 1-8 (2016)
Zeolites treated with silicon tetrachloride vapour. IV. Acidity.
Anderson MW and Klinowski J
Zeolites, 6(6), 455-466 (1986)
Silicon tetrachloride as a coupling reagent for amide formation
Chan TH and Wong LTL
The Journal of Organic Chemistry, 34(9), 2766-2767 (1969)

Artikel

atomic layer deposition (ALD), microelectronics, Mo:Al2O3 films, nanocomposite coating, photovoltaics, semiconductor devices, W:Al2O3 films, composite films, layer-by-layer

Spintronics offer breakthroughs over conventional memory/logic devices with lower power, leakage, saturation, and complexity.

Hybrid organic-inorganic sol-gel materials containing silica were first called “ORMOSILs” in 1984.

The properties of many devices are limited by the intrinsic properties of the materials that compose them.

Questions

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

    1 answer
    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 answer
    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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