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
Kluczowe dokumenty
186155
Lithium acetylide, ethylenediamine complex
90%
Synonim(y):
Acetylek litu w połączeniu z 1,2-etanodiaminą, Kompleks acetylku litu z etylenodiaminą
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359,00 zł
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About This Item
359,00 zł
Polecane produkty
Próba
90%
bp
110.6 °C (lit.)
mp
76 °C (dec.)
grupa funkcyjna
amine
temp. przechowywania
2-8°C
ciąg SMILES
[Li]C#C.NCCN
InChI
1S/C2H8N2.C2H.Li/c3-1-2-4;1-2;/h1-4H2;1H;
Klucz InChI
QJQWXTYPTBEPGS-UHFFFAOYSA-N
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Zastosowanie
- Lithium acetylide, ethylenediamine complex is a general reagent to synthesize ethynylated ketones.[1]
- It is used as a ligand in the coordination chemistry to synthesize transition metal complexes such as 1-alkynyl-dimethyl(triorganophosphine)gold(III) complex.[2]
- It is employed in the ring opening reaction of epoxides, as in the total synthesis of (−)-goniotrionin[3] and englerin A.[4]
- It can also be used in the ethynylation of alkyl halides to prepare terminal alkynes.[5]
Hasło ostrzegawcze
Danger
Zwroty wskazujące rodzaj zagrożenia
Zwroty wskazujące środki ostrożności
Klasyfikacja zagrożeń
Eye Dam. 1 - Skin Corr. 1B - Water-react 2
Zagrożenia dodatkowe
Kod klasy składowania
4.3 - Hazardous materials which set free flammable gases upon contact with water
Klasa zagrożenia wodnego (WGK)
WGK 3
Temperatura zapłonu (°F)
Not applicable
Temperatura zapłonu (°C)
Not applicable
Środki ochrony indywidualnej
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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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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