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CAS No.: | 92-94-4 |
---|---|
Name: | p-Terphenyl |
Article Data: | 598 |
Molecular Structure: | |
Formula: | C18H14 |
Molecular Weight: | 230.309 |
Synonyms: | 1,1':4',1''-Terphenyl;1,1'-Biphenyl, 4-phenyl-;1,4-Diphenylbenzene;4-Phenyl-1,1'-biphenyl;4-Phenylbiphenyl;NSC 6810;PT;PTP;Santowax P;T 3203;TP (scintillator);p-Diphenylbenzene;p-Phenylene trimer; |
EINECS: | 202-205-2 |
Density: | 1.043 g/cm3 |
Melting Point: | 212-213 °C(lit.) |
Boiling Point: | 400 °C at 760 mmHg |
Flash Point: | 188.1 °C |
Solubility: | practically insoluble in water |
Appearance: | white solid |
Hazard Symbols: | Xi |
Risk Codes: | 36/37/38-37/38-36-50/53 |
Safety: | 26-37-61-60 |
Transport Information: | UN 3077 9/PG 3 |
PSA: | 0.00000 |
LogP: | 5.02060 |
Molecular Formula: C18H14
Molecular Weight: 230.3 g/mol
EINECS: 202-205-2
Density: 1.23
Flash point: 207 °C
Appearance: White solid
Vapor density: 7.95 (vs air)
Melting point: 212-213 °C(lit.)
Boiling point: 389 °C(lit.)
Water Solubility: Practically insoluble
Structure of p-Terphenyl (CAS NO.92-94-4):
IUPAC Name: 1,4-Diphenylbenzene
Product Category of p-Terphenyl (CAS NO.92-94-4): Organics;Biphenyl & Diphenyl ether;Electroluminescence;Functional Materials
p-Terphenyl (CAS NO.92-94-4) is commonly polymerized with styrene to make a plastic phosphor, and its single crystals are used as scintillation counters.
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
rat | LDLo | oral | 500mg/kg (500mg/kg) | National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. Vol. 5, Pg. 26, 1953. |
Reported in EPA TSCA Inventory.
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.
Hazard Codes: Xi
Risk Statements: 36/37/38-37/38-36-50/53
R36:Irritating to eyes.
R36/37/38:Irritating to eyes, respiratory system and skin.
R37/38:Irritating to respiratory system and skin.
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 26-37-61-60
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37:Wear suitable gloves.
S60:This material and its container must be disposed of as hazardous waste.
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
OSHA PEL: CL 0.5 ppm
ACGIH TLV: TWA CL 0.5 ppm
For occupational chemical analysis use NIOSH: o-Terphenyl, 5021.
p-Terphenyl , its cas register number is 92-94-4. It also can be called 1,4-Diphenylbenzene ; 1,4-Diphenylbenzene ; 4-Phenylbiphenyl ; and 1,1':4',1''-Terphenyl .