CAS 92-94-4 p-Terphenyl (purified by sublimation)

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p-Terphenyl (purified by sublimation)

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Catalog Number

ACM92944-2

CAS Number

92-94-4

Product Name

p-Terphenyl (purified by sublimation)

Structure

Category

Other Material Building Blocks; Carbon Nanomaterials

Description

P-terphenyl appears as white or light-yellow needles or leaves. mp: 212-213° C, bp 376°C. Density: 1.23 g/cm³. Insoluble in water. Soluble in hot benzene. Very soluble in hot ethyl alcohol. Usually shipped as a solid mixture with its isomers o-terphenyl and m-terphenyl that is used as a heat-transfer fluid.;White or light-yellow solid.

IUPAC Name

1,4-diphenylbenzene

Molecular Weight

230.3g/mol

Molecular Formula

C18H14

Canonical SMILES

C1=CC=C(C=C1)C2=CC=C(C=C2)C3=CC=CC=C3

InChI

InChI=1S/C18H14/c1-3-7-15(8-4-1)17-11-13-18(14-12-17)16-9-5-2-6-10-16/h1-14H

InChI Key

XJKSTNDFUHDPQJ-UHFFFAOYSA-N

Boiling Point

761 °F at 760 mm Hg (NIOSH, 2016);376.0 °C;376 °C;761°F

Melting Point

415 °F (NIOSH, 2016);210.1 °C;210.1 °C;415°F

Flash Point

405 °F (NIOSH, 2016);405 °F;405°F

Density

1.23 (NIOSH, 2016);1.234 AT 0 °C;1.23

Solubility

Insoluble (NIOSH, 2016);7.82e-08 M;SOL IN BENZENE & ETHANOL (ORDER OF SOLUBILITY IN THESE SUBSTANCES DECR FROM ORTHO TO PARA FORM);Sparingly soluble in lower alcohols and glycols; soluble in common aromatic solvents.;Water solubility = 1.79X10-2 mg/l at 25 °C;Insoluble

Application

p-Terphenyl, a purified aromatic hydrocarbon isomer, serves a diverse range of purposes due to its unique physical and chemical properties. Recognized for its white or light-yellow solid form, it is primarily used as a specialty material in several advanced applications. It is involved in ionized radiation detectors and operates as a nonpolar laser dye. Furthermore, it plays a crucial role as a single molecule optical probe in scanning near-field microscopy, exploiting its sensitivity to vacuum ultraviolet radiation. The substance is a key intermediary in the production of diphenyl LCD materials and serves as a fundamental raw material in organic synthesis, contributing to the creation of antifungal cyclic peptides and polyamide materials. p-Terphenyl is also utilized in the field of fine chemical engineering as an organic scintillation reagent, generating fluorescence under radiation, which makes it suitable for use in scintillation counters and as a synthetic intermediate for laser dyes. Additionally, it participates in sensitized photoreduction processes involving CO2 with cobalt and iron porphyrins, marking its significance in both practical and research-oriented domains.

Color/Form

COLORLESS OR LIGHT-YELLOW SOLID;White or light-yellow solid.

Complexity

198

Covalently-Bonded Unit Count

EC Number

202-205-2

Exact Mass

230.10955g/mol

Formal Charge

Heavy Atom Count

Log P

6.03 (LogP)

Monoisotopic Mass

230.10955g/mol

NSC Number

6810

Other Experimental

Heat of formation = 68.36 MJ/kg; Heat of fusion = 146.5 kJ/kg;Crumbly, wax-like flakes at room temperature and light amber liquids above the melting point /Commercial terphenyl mixtures/;Faint, pleasant odor /Commercial terphenyl mixtures/

Rotatable Bond Count

RTECS Number

WZ6475000

UNII

GWP218ZY6F

Vapor Pressure

Very low (NIOSH, 2016);1.00e-07 mmHg;Very low

XLogP3

5.6

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