Diphenylacetylene

Diphenylacetylene

Names
IUPAC name 2-phenylethynylbenzene
Other names Tolan Diphenylacetylene 1,2-diphenylethyne
Identifiers
CAS Number	501-65-5 Y
3D model (Jmol)	Interactive image
ChEBI	CHEBI:51579 Y
ChEMBL	ChEMBL223309 Y
ChemSpider	9961 Y
ECHA InfoCard	100.007.206
PubChem	10390
InChI InChI=1S/C14H10/c1-3-7-13(8-4-1)11-12-14-9-5-2-6-10-14/h1-10H Y Key: JRXXLCKWQFKACW-UHFFFAOYSA-N Y InChI=1/C14H10/c1-3-7-13(8-4-1)11-12-14-9-5-2-6-10-14/h1-10H Key: JRXXLCKWQFKACW-UHFFFAOYAN
SMILES c1ccc(cc1)C#Cc2ccccc2
Properties
Chemical formula	C14H10
Molar mass	178.24 g/mol
Appearance	colorless solid
Density	0.990 g cm−3, solid
Melting point	62.5 °C (144.5 °F; 335.6 K)
Boiling point	170 °C (338 °F; 443 K) at 19 mmHg
Solubility in water	insoluble
Structure
Molecular shape	sp2 and sp at carbon
Dipole moment	0 D
Hazards
Safety data sheet	Oxford MSDS
Related compounds
Related compounds	C2Me2 Dimethylacetylenedicarboxylate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y  (what is YN ?)
Infobox references

Diphenylacetylene is the chemical compound C₆H₅C≡CC₆H₅. The molecule consists of phenyl groups attached to both ends of an alkyne. It is a colorless crystalline material that is widely used as a building block in organic synthesis and as a ligand in organometallic chemistry.

Several preparations for this compound exist: