Tetraphenylmethane

Tetraphenylmethane
Names
	Preferred IUPAC name 1,1′,1′′,1′′′-Methanetetrayltetrabenzene
Identifiers
CAS Number	630-76-2 ;
3D model (JSmol)	Interactive image;
ChemSpider	11917 ;
ECHA InfoCard	100.010.132
EC Number	211-144-0;
PubChem CID	12424;
UNII	CM2Q9C446P ;
CompTox Dashboard (EPA)	DTXSID30212215 ;
	InChI InChI=1S/C25H20/c1-5-13-21(14-6-1)25(22-15-7-2-8-16-22,23-17-9-3-10-18-23)24-19-11-4-12-20-24/h1-20H Key: PEQHIRFAKIASBK-UHFFFAOYSA-N ; InChI=1/C25H20/c1-5-13-21(14-6-1)25(22-15-7-2-8-16-22,23-17-9-3-10-18-23)24-19-11-4-12-20-24/h1-20H Key: PEQHIRFAKIASBK-UHFFFAOYAS;
	SMILES c1ccccc1C(c2ccccc2)(c3ccccc3)c4ccccc4;
Properties
Chemical formula	C25H20
Molar mass	320.44 g/mol
Melting point	282 °C (540 °F; 555 K)
Boiling point	431 °C
Structure
Crystal structure	tetragonal
Space group	P421c, No. 114
Point group	S4
Lattice constant	a = 10.896 Å, c = 7.280 Å (20 °C)
Formula units (Z)	2
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H350
Precautionary statements	P201, P202, P281, P308+P313, P405, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Tetraphenylmethane is an organic compound consisting of a methane core with four phenyl substituents. It was first synthesized by Moses Gomberg in 1898.

^ Robbins, A.; Jeffrey, G. A.; Chesick, J. P.; Donohue, J.; Cotton, F. A.; Frenz, B. A.; Murillo, C. A. (1975-10-01). "A refinement of the crystal structure of tetraphenylmethane: three independent redeterminations". Acta Crystallographica Section B: Structural Crystallography and Crystal Chemistry. 31 (10): 2395–2399. Bibcode:1975AcCrB..31.2395R. doi:10.1107/S0567740875007686. ISSN 0567-7408.