Lithium carbide

Lithium carbide

Names
Preferred IUPAC name Lithium carbide
Systematic IUPAC name Dilithium(1+) ethyne
Other names Dilithium acetylide Lithium dicarbon Lithium percarbide
Identifiers
CAS Number	1070-75-3 Y
3D model (JSmol)	Interactive image
ChemSpider	59503 Y
ECHA InfoCard	100.012.710
EC Number	213-980-1
PubChem CID	66115
InChI InChI=1S/C2.2Li/c1-2;;/q-2;2*+1 Y Key: ARNWQMJQALNBBV-UHFFFAOYSA-N Y InChI=1S/C2.2Li/c1-2;;/q-2;2*+1 Key: ARNWQMJQALNBBV-UHFFFAOYSA-N InChI=1/C2.2Li/c1-2;;/q-2;2*+1 Key: ARNWQMJQALNBBV-UHFFFAOYAB
SMILES [Li+].[Li+].[C-]#[C-]
Properties
Chemical formula	Li 2C 2
Molar mass	37.9034 g/mol
Density	1.3 g/cm³
Melting point	> 550°C
Solubility	insoluble in organic solvents
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N  (what is YN ?)
Infobox references

Lithium dicarbon

Lithium carbide, Li
2C
2, often known as dilithium acetylide, is a chemical compound of lithium and carbon, an acetylide. It is an intermediate compound produced during radiocarbon dating procedures. Li
2C
2 is one of an extensive range of lithium-carbon compounds which include the lithium-rich Li
4C, Li
6C
2, Li
8C
3, Li
6C
3, Li
4C
3, Li
4C
5, and the graphite intercalation compounds LiC
6, LiC
12, and LiC
18.
Li
2C
2 is the most thermodynamically-stable lithium-rich compound and the only one that can be obtained directly from the elements. It was first produced by Moissan, in 1896 who reacted coal with lithium carbonate. The other lithium-rich compounds are produced by reacting lithium vapor with chlorinated hydrocarbons, e.g. CCl₄.