o-Terphenyl

o-Terphenyl Basic information
Product Name:o-Terphenyl
Synonyms:O-DIPHENYLBENZENE;O-TERPHENYL;0-terphenyl;1,1'-Biphenyl, 2-phenyl-;1,2-terphenyl;1,1':2',1 -Terphenyl;1,1':2',1''-Terphenyl;1,1’:2’,1’’-Terphenyl
CAS:84-15-1
MF:C18H14
MW:230.3
EINECS:201-517-6
Product Categories:Arenes;Building Blocks;Chemical Synthesis;Organic Building Blocks
Mol File:84-15-1.mol
o-Terphenyl Structure
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.
λmax233nm(Cyclohexane)(lit.)
BRN 1908446
Exposure limitsNIOSH: IDLH 500 mg/m3; Ceiling 0.5 ppm(5 mg/m3)
CAS DataBase Reference84-15-1(CAS DataBase Reference)
EPA Substance Registry Systemo-Terphenyl (84-15-1)
Safety Information
Hazard Codes Xn,T,Xi,F,N
Risk Statements 22-36/37/38-50/53-40-36/38-21/22-67-66-11-52/53-36-51/53
Safety Statements 26-61-60-36/37-24/25-23-16-9
RIDADR UN 3077 9/PG 3
WGK Germany 3
RTECS WZ6472000
TSCA Yes
HazardClass 9
PackingGroup III
HS Code 29029090
Hazardous Substances Data84-15-1(Hazardous Substances Data)
ToxicityLD50 orally in Rabbit: 1900 mg/kg
IDLA500 mg/m3
MSDS Information
ProviderLanguage
SigmaAldrich English
ALFA English
o-Terphenyl Usage And Synthesis
Chemical PropertiesWhite crystalline
General DescriptionColorless 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 ProfileO-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.
HazardCombustible. Eye and upper respiratory tract irritant.
Safety ProfileModerately 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 MethodsCrystallise 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 4,5-DIPHENYLANTHRANILIC ACID (S)-VANOL 1.2,3.4,5.6,7.8-TETRA(PERI-NAPHTHYLENE)ANTHRACENE 3,4-DIPHENYLANILINE 2'-BROMO-[1,1',2',1']TERPHENYL 1,2,3,4-PERI-DINAPHTHYLENEFLUORENE 4-Cyano-4'-n-hexylterphenyl (1S,2S)-N,N'-BIS[(R)-2-HYDROXY-2'-PHENYL-1,1'-BINAPHTHYL-3-YLMETHYLENE]-1,2-DIPHENYLETHYLENEDIAMINATO MANGANESE(III) ACETATE 5,6-DIPHENYLBENZO[C]PHENANTHRENE (S)-VAPOL phosphoric acid, (S)-2,2μ-Diphenyl-3,3μ-biphenanthryl-4,4μ-diyl phosphate, (S)-18-Hydroxy-8,9-diphenyl-diphenanthro[4,3-d:3μ,4μ-f][1,3,2]dioxaphosphepin-18-oxide (6,6)-PHENYL C71 BUTYRIC ACID METHYL ESTER, 99% (MIXTURE OF ISOMERS) SALOR-INT L159832-1EA Hexaphenylbenzene (R)-2-Diphenyphosphino-2'-phenyl-1,1'-binaphthyl 9,10-DIPHENYLPHENANTHRENE DIINDENO[4,3,2,1-CDEF:1',2',3'-HI]CHRYSENE N-METHYLFULLEROPYRROLIDINE

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