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84-15-1

84-15-1 structural image
Product Name: o-Terphenyl
Formula: C18H14
Synonyms: 1,2-Diphenylbenzene;o-Terphenyl
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description O-terphenyl appears as colorless or light-yellow solid. mp: 58-59 °C, bp: 337 °C. Density: 1.16 g/cm3. Insoluble in water. Usually shipped as a solid mixture with its isomers m-terphenyl and p-terphenyl that is used as a heat-transfer fluid.
Color/Form MONOCLINIC PRISMS FROM METHANOL
Boiling Point 630 °F at 760 mmHg (NIOSH, 2023)
Melting Point 136 °F (NIOSH, 2023)
Flash Point 325 °F (NIOSH, 2023)
Solubility Insoluble (NIOSH, 2023)
Density 1.1 (NIOSH, 2023) - Denser than water; will sink
Vapor Density 7.95 (AIR= 1)
Vapor Pressure 0.09 mmHg at 200 °F (NIOSH, 2023)
LogP 5.5
Heat of Vaporization 58.3 kJ/mol
Ionization Potential 7.99 eV
Kovats Retention Index 1859 1876 1910.1 316.63 317.43
Other Experimental Properties COLORLESS OR LIGHT-YELLOW SOLIDS /TERPHENYLS/
Chemical Classes Other Classes -> Terphenyls

SAFETY INFORMATION

Signal word Danger
Pictogram(s)

Skull and Crossbones
Acute Toxicity
GHS06

Environment
GHS09
GHS Hazard Statements H302:Acute toxicity,oral
H319:Serious eye damage/eye irritation
H331:Acute toxicity,inhalation
H410:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P273:Avoid release to the environment.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

COMPUTED DESCRIPTORS

Molecular Weight 230.3 g/mol
XLogP3 6
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 0
Rotatable Bond Count 2
Exact Mass 230.109550447 g/mol
Monoisotopic Mass 230.109550447 g/mol
Topological Polar Surface Area 0 Ų
Heavy Atom Count 18
Formal Charge 0
Complexity 206
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 1
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

O-terphenyl appears as colorless or light-yellow solid. mp: 58-59 °C, bp: 337 °C. Density: 1.16 g/cm3. Insoluble in water. Usually shipped as a solid mixture with its isomers m-terphenyl and p-terphenyl that is used as a heat-transfer fluid.