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| o-Terphenyl Basic information |
| o-Terphenyl Chemical Properties |
Melting point | 56-59 °C (lit.) | Boiling point | 337 °C (lit.) | density | 1,1 g/cm3 | vapor pressure | <1 Pa (25 °C) | refractive index | 1.5500 (estimate) | Fp | >230 °F | storage temp. | Store below +30°C. | solubility | 1.24mg/l | form | Fluid | color | White to Almost white | Water Solubility | Insoluble in water. Solubility in toluene is almost transparent. Sparingly soluble in lower alcohols and glycols; very soluble in common aromatic solvents. | λmax | 233nm(Cyclohexane)(lit.) | BRN | 1908446 | Exposure limits | NIOSH: IDLH 500 mg/m3; Ceiling 0.5 ppm(5 mg/m3) | CAS DataBase Reference | 84-15-1(CAS DataBase Reference) | EPA Substance Registry System | o-Terphenyl (84-15-1) |
| o-Terphenyl Usage And Synthesis |
Chemical Properties | White crystalline | General Description | Colorless or light-yellow solid. Mp 58-59°C; bp: 337°C. Density: 1.16 g cm-3. 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. | Reactivity Profile | O-TERPHENYL is non-flammable but combustible (flash point 339°F). Extremely stable thermally. Incompatible with strong oxidizing agents but not very reactive at room conditions. | Hazard | Combustible. Eye and upper respiratory
tract irritant. | Safety Profile | Moderately toxic by ingestion. Combustible when exposed to heat or flame. To fight fire, use water, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes. | Purification Methods | Crystallise o-terphenyl from EtOH. Also purify it by chromatography of CCl4 solution on alumina, with pet ether as eluent, followed by crystallisation from pet ether (b 40-60o) or pet ether/*C6H6. It also distils under vacuum. [Beilstein 5 III 2292, 5 IV 2478.] |
| o-Terphenyl Preparation Products And Raw materials |
Raw materials | 1,2-Diiodobenzene-->2-BIPHENYLBORONIC ACID-->diphenyl(2,2,2-trifluoroethyl)sulfanium trifluoromethanesulfonate-->2-Iodobiphenyl-->Phenylboronic acid-->1-Bromo-2-iodobenzene-->Benzene-->1,2-Dibromobenzene | Preparation Products | Triphenylene-->2-Bromobiphenyl-->Phenanthridine-->2,3,6,7,10,11-hexabromobenzo[9,10]phenanthrene-->Biphenyl |
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