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| terphenyl Basic information |
Product Name: | terphenyl | Synonyms: | terphenyl;ORTHO,META-PARA-TERPHENYL(MIXTURE);TERPHENYLS;delowax om;delowax s;diphenylbenzene;gilotherm om 2;santowax om | CAS: | 26140-60-3 | MF: | C18H14 | MW: | 230.30376 | EINECS: | 247-477-3 | Product Categories: | | Mol File: | 26140-60-3.mol | |
| terphenyl Chemical Properties |
Melting point | 210-211 °C | Boiling point | 307.3°C (rough estimate) | density | 1.0829 (estimate) | refractive index | 1.5500 (estimate) | form | Colorless or light yellow
solids | Dielectric constant | 2.3(21.0℃) | EPA Substance Registry System | Terphenyl (26140-60-3) |
| terphenyl Usage And Synthesis |
Chemical Properties | There are multiple isomeric terphenyls, all having the formula C6H5-C6H4-C6H5. Pure terphenyl is a white, crystalline solid. The commercial grades are light yellow. All three isomers are unusually stable toward heat. | Uses | Coolant for heat exchange in nuclear
reactors | Health Hazard | Terphenyls are irritants of the
eyes, mucous membranes, and skin. | Flammability and Explosibility | Non flammable | 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. | Potential Exposure | Terphenyl is used primarily as a plasticizer and heat transfer agent. It is also used as a high-temperature lubricant; a constituent of waxes and polishes; as a plasticizer for resinbodied paints; as a coolant and heat storage agent. | Shipping | UN3151 Polyhalogenated biphenyls, liquid or Polyhalogenated terphenyls liquid, Hazard class: 9; Labels: 9-Miscellaneous hazardous material. UN3152 Polyhalogenated biphenyls, solid or Polyhalogenated terphenylssolid, Hazard class: 9; Labels: 9-Miscellaneous hazardous material. | Incompatibilities | Materials are combustible. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. | Waste Disposal | Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. All federal, state, and local environmental regulations must be observed. |
| terphenyl Preparation Products And Raw materials |
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