HEXAPHENYLBENZENE, CAS No. 992-04-1

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992-04-1

Catalog No. EBD3074429

CAS 992-04-1

Name HEXAPHENYLBENZENE

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Basic Information

Synonyms: HEXAPHENYLBENZENE BENZENE,HEXAPHENYL- HEXAPHENYLBENZENE,98+% 1,2,3,4,5,6-HEXAPHENYLBENZENE 3',4',5',6'-TETRAPHENYL-O-TERPHENYL M-TERPHENYL,2',4',5',6'-TETRAPHENYL- 2',3',5',6'-TETRAPHENYL-1,1':4',1''-TERBENZENE 3',4',5',6'-tetraphenyl-1,1':2',1''-terphenyl 1,1':2',1''-terphenyl,3',4',5',6'-tetraphenyl- m-terphenyl,2 -tetraphenyl-(8ci) benzene,hexaphenyl-(6ci)

Molecular Formula: C42H30

Molecular Weight: 534.69

Categories: Materials Chemistry > Optoelectronic and Organic Semiconductor Materials > OLED and Organic Optoelectronic Precursors Synthetic Chemistry > Organic Building Blocks > Other Organic Building Blocks

Product Description:

Hexaphenylbenzene is a highly symmetrical, star-shaped polycyclic aromatic hydrocarbon (PAH) with a central benzene ring substituted by six phenyl groups. It is a white to off-white crystalline solid with a molecular formula of C42H30. This compound is a classic example of a "hexaarylbenzene" and serves as a fundamental building block in supramolecular chemistry and materials science. Its primary application lies in the field of organic electronics and optoelectronics. Due to its rigid, propeller-like structure and extended π-conjugation, it is used as a core unit or precursor for constructing organic semiconductors, particularly for organic light-emitting diodes (OLEDs) and organic field-effect transistors (OFETs). Its derivatives are investigated as host materials, hole-transport materials (HTMs), or emissive layers due to their good thermal stability, film-forming properties, and tunable electronic characteristics. Furthermore, hexaphenylbenzene is a valuable scaffold in supramolecular chemistry for creating complex molecular architectures like dendrimers and liquid crystals. Its synthesis via the Diels-Alder reaction of tetraphenylcyclopentadienone with diphenylacetylene is a well-known laboratory procedure, making it a notable organic synthesis building block for advanced materials research.

Physical Properties

Melting Point: >300 °C(lit.)

Boiling Point: 534.8 °C at 760 mmHg

Flash Point: 284 °C

Density: 1.111 g/cm3

Analytical Data

Appearance: white to off-tan powder