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
Wichtige Dokumente
324620
Lithium-bis-(trimethylsilyl)-amid
97%
Synonym(e):
Hexamethyldisilazan Lithiumsalz
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About This Item
Empfohlene Produkte
Qualitätsniveau
Assay
97%
Form
solid
pH-Wert
(12.4 at 23,7 °C)
bp
110-115 °C (at 1.33 hPa)
mp (Schmelzpunkt)
70-71 °C
Dichte
0.860 g/mL at 25 °C (lit.)
SMILES String
[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
InChIKey
YNESATAKKCNGOF-UHFFFAOYSA-N
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Verwandte Kategorien
Allgemeine Beschreibung
Anwendung
Es wird verwendet, um die Zugabe von Phosphin-P-H-Bindungen an Carbodiimide, die zu Phosphaguanidinen führen, zu katalysieren;[6] und bei einer neuartigen dreistufigen Synthese von disubstituierten 1,2,5-Thiadiazolen[7]
Signalwort
Danger
H-Sätze
Gefahreneinstufungen
Eye Dam. 1 - Flam. Sol. 1 - Self-heat. 1 - Skin Corr. 1B
Zusätzliche Gefahrenhinweise
Lagerklassenschlüssel
4.2 - Pyrophoric and self-heating hazardous materials
WGK
WGK 2
Flammpunkt (°F)
62.6 °F - closed cup
Flammpunkt (°C)
17 °C - closed cup
Persönliche Schutzausrüstung
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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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