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224367

Sigma-Aldrich

Lithium bis(triméthylsilyl)amide solution

1.0 M in hexanes

Synonyme(s) :

Hexaméthyldisilazane lithium salt

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About This Item

Formule linéaire :
[(CH3)3Si]2NLi
Numéro CAS:
4039-32-1
Poids moléculaire :
167.33
Beilstein:
3567910
Numéro MDL:
MFCD00008261
Code UNSPSC :
12352111
ID de substance PubChem :
24853431
Nomenclature NACRES :
NA.22
Le tarif et la disponibilité ne sont pas disponibles actuellement.

Forme

liquid

Niveau de qualité

100

Concentration

1.0 M in hexanes

pb

55-56 °C

Densité

0.707 g/mL at 25 °C

Chaîne SMILES 

[Li]N([Si](C)(C)C)[Si](C)(C)C

InChI

1S/C6H18NSi2.Li/c1-8(2,3)7-9(4,5)6;/h1-6H3;/q-1;+1

Clé InChI

YNESATAKKCNGOF-UHFFFAOYSA-N

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Catégories apparentées

Application

Significantly accelerated the polymerization of pheneylacetylene in conjunction with rhodium (I) catalysis.[1]

Conditionnement

View returnable container options.

Mention d'avertissement

Danger

Classification des risques

Aquatic Chronic 2 - Asp. Tox. 1 - Eye Dam. 1 - Flam. Liq. 2 - Repr. 2 - Self-heat. 1 - Skin Corr. 1B - STOT RE 2 Inhalation - STOT SE 3

Organes cibles

Central nervous system, Nervous system

Risques supp

EUH014

Code de la classe de stockage

4.2 - Pyrophoric and self-heating hazardous materials

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

-23.8 °F - closed cup

Point d'éclair (°C)

-31 °C - closed cup

Équipement de protection individuelle

Faceshields, Gloves, Goggles

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Certificats d'analyse (COA)

Lot/Batch Number
SHBS2821
SHBR4078
SHBN8323
SHBM2910
SHBL4927

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Macromolecules, 39, 5347-5347 (2006)
Nur Hazlin Hazrin-Chong et al.
Journal of microbiological methods, 90(2), 96-99 (2012-05-09)
The use of hexamethyldisilazane (HMDS) as a drying agent was investigated in the specimen preparation for scanning electron microscopy (SEM) imaging of bacterial surface colonization on sub-bituminous coal. The ability of microbes to biofragment, ferment and generate methane from coal
Elsa Vennat et al.
Dental materials : official publication of the Academy of Dental Materials, 25(6), 729-735 (2009-01-29)
The objectives of this study were to assess demineralized dentin porosity and quantify the different porous features distribution within the material using mercury intrusion porosimetry (MIP) technique. We compared hexamethyldisilazane (HMDS) drying and lyophilization (LYO) (freeze-drying) in sample preparation. Fifty-six
Nan Li et al.
Lab on a chip, 8(12), 2105-2112 (2008-11-22)
High-density live cell array serves as a valuable tool for the development of high-throughput immunophenotyping systems and cell-based biosensors. In this paper, we have, for the first time, demonstrated a simple fabrication process to form the hexamethyldisilazane (HMDS) and poly(ethylene
Mario Janjetovic et al.
Chemical communications (Cambridge, England), 49(18), 1826-1828 (2013-01-30)
Sm(HMDS)(2) in n-hexane mediates fast cleavage of primary, secondary and tertiary alkyl fluorides in good to excellent yields. In n-hexane Sm(HMDS)(2) exhibits uniquely enhanced reductive ability towards the C-F bond compared to when using THF as solvent.
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Questions

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

    1 réponse

    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 réponse

    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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