Barium carbide

Barium carbide
Names
	IUPAC name Barium ethynediide
	Other names Barium acetylide
Identifiers
CAS Number	50813-65-5;
3D model (JSmol)	Interactive image;
ChemSpider	13785937;
EC Number	235-126-7;
	InChI InChI=1S/C2.Ba/c1-2;/q-2;+2 Key: DNQAUNUUVGPFFU-UHFFFAOYSA-N;
	SMILES [C-]#[C-].[Ba+2];
Properties
Chemical formula	BaC2
Molar mass	161.349 g·mol−1
Appearance	black crystalline solid
Density	3.75 g/cm3
Related compounds
Other cations	Calcium carbide; Strontium carbide;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Barium carbide (also referred to as barium ethynediide or barium acetylide) is a chemical compound in the carbide family having the chemical formula Ba C₂. It consists of barium cations Ba²⁺ and acetylide anions ⁻C≡C⁻.