p-Terphenyl, CAS No. 92-94-4

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92-94-4

Catalog No. EBD5021

CAS 92-94-4

Name p-Terphenyl

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Basic Information

Synonyms: 1,1':4',1''-Terphenyl 4-Phenylbiphenyl [1,1' 1,1'-biphenyl,4-phenyl- 1,4-terphenyl 4',1'']-terphenyl 4-phenyl-1’-biphenyl 4-phenyl-bipheny 4-phenyldiphenyl benzene,1,4-diphenyl- 1,4-Diphenylbenzene p-Terphenyl

Molecular Formula: C18H14

Molecular Weight: 230.3

MDL Number: MFCD00003061

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

Product Description:

1,4-Diphenylbenzene, commonly known as p-Terphenyl, is an organic compound consisting of three benzene rings connected in a para configuration. It is a white crystalline solid with a molecular formula of C18H14. This compound is characterized by its rigid, linear structure and extended π-conjugation system, which are key features for its electronic and optical properties. The primary and most significant application of p-terphenyl is in the field of organic electronics and photonics. It serves as a fundamental building block (core unit) for the synthesis of advanced organic semiconductor materials. Specifically, it is widely used as a precursor or a core structure in the development of host materials, electron-transporting materials (ETMs), and light-emitting materials for organic light-emitting diodes (OLEDs) and other optoelectronic devices. Its rigid, planar structure helps to reduce intermolecular interactions and improve charge carrier mobility and thermal stability in the resulting materials. Beyond its role in materials science, p-terphenyl is also utilized as a scintillator in particle physics experiments due to its ability to fluoresce when exposed to ionizing radiation. In synthetic chemistry, it acts as a valuable organic synthesis intermediate or building block for constructing more complex polycyclic aromatic hydrocarbons (PAHs) and conjugated systems. It is commercially available and handled as a standard laboratory chemical.

Physical Properties

Melting Point: 212-213 °C(lit.)

Boiling Point: 389 °C(lit.)

Flash Point: 207 °C

Density: 7.95 (vs air)

Solubility: practically insoluble in water

Safety Information

Packing Level: III

Hazard Category: 9

Transport Codes: 3077

Analytical Data

Appearance: white solid