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
186155
Lithium acetylide, ethylenediamine complex
90%
Synonym(s):
Lithium acetylide ethylenediamine complex, Lithium acetylide, compd. with 1,2-ethanediamine
About This Item
Recommended Products
Quality Level
Assay
90%
bp
110.6 °C (lit.)
mp
76 °C (dec.)
functional group
amine
storage temp.
2-8°C
SMILES string
[Li]C#C.NCCN
InChI
1S/C2H8N2.C2H.Li/c3-1-2-4;1-2;/h1-4H2;1H;
InChI key
QJQWXTYPTBEPGS-UHFFFAOYSA-N
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Related Categories
Application
- 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]
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1B - Water-react 2
Supplementary Hazards
Storage Class Code
4.3 - Hazardous materials which set free flammable gases upon contact with water
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
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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.
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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.pdfHelpful?
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