Tetraphenylene^[1]

Names
Preferred IUPAC name Tetraphenylene[2]
Identifiers
CAS Number	212-74-8 Y
3D model (JSmol)	Interactive image
ChemSpider	2006983 N
PubChem CID	2724868
UNII	887R8CZW6Z Y
InChI InChI=1S/C24H16/c1-2-10-18-17(9-1)19-11-3-4-13-21(19)23-15-7-8-16-24(23)22-14-6-5-12-20(18)22/h1-16H/b19-17-,20-18-,23-21-,24-22- N Key: KTQYWNARBMKMCX-LEYBOLSUSA-N N
SMILES C1=CC=C2C(=C1)C3=CC=CC=C3C4=CC=CC=C4C5=CC=CC=C25
Properties
Chemical formula	C24H16
Molar mass	304.39 g/mol
Density	1.19 g/cm3
Melting point	232 to 235 °C (450 to 455 °F; 505 to 508 K)
Boiling point	577.6 °C (1,071.7 °F; 850.8 K) at 760 mmHg
Hazards
Flash point	297.9 °C (568.2 °F; 571.0 K)
Structure
Point group	D2d
Dipole moment	0 D
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

Tetraphenylene is an organic compound, solid at room temperature, with the chemical formula C₂₄H₁₆. It is a member of the unsaturated polycyclic hydrocarbons class of compounds and a tetramer of benzyne.