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.