p-Terphenyl

RTECS #

WZ6475000

CAS #

92-94-4
See: NMAM or OSHA Methods

Updated

April 2012

Molecular Weight

230.32

Molecular Formula

C₁₈H₁₄

Synonyms

1,1':4',1''-Terphenyl (9CI)
1,4-Diphenylbenzene
4-Phenylbiphenyl
4-Phenyldiphenyl
Biphenyl, 4-phenyl-
p-Diphenylbenzene
p-Triphenyl
Santowax P

Acute Toxicity Data and References

Route/Organism	Dose	Effect	Reference
oral/rat	lowest published lethal dose: 500 mg/kg		NCNSA6 5,26,1953
oral/rat	lethal dose (50 percent kill): 1000 mg/kg	Liver: Changes in liver weight	VCVGH* -,214,1990
oral/rat	lethal dose (50 percent kill): >10000 mg/kg	Gastrointestinal: Hypermotility, diarrhea	HPV353 -,-,2003

Route/Organism	Dose	Effect	Reference
oral/rat	lowest published toxic dose: 15000 mg/kg/30D- continuous	Nutritional and Gross Metabolic: Weight loss or decreased weight gain	HPV353 -,,2003
oral/rat	lowest published toxic dose: 1680 mg/kg/14D- continuous	Blood: Changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical: Metabolism (intermediary): Lipids including transport	HPV353 -,,2003

Organization	Standard	Reference
Mine Safety and Health Administration (MSHA) STANDARD-air	ceiling concentration 1 ppm (9 mg/m³)	DTLWS* 3,28,1973
Occupational Exposure Limit-DENMARK	time-weighted average 0.5 ppm (5 mg/m³), MAY2011
Occupational Exposure Limit-ICELAND	time-weighted average 0.5 ppm (5 mg/m³), NOV2011
Occupational Exposure Limit-MEXICO	peak 0.5 ppm, 2004
Occupational Exposure Limit-RUSSIA	short term exposure limit 5 mg/m³, JUN2003
Occupational Exposure Limit-UNITED KINGDOM	short term exposure limit 0.5 ppm (4.8 mg/m³), OCT2007

Organization	Standard	Reference
National Occupational Exposure Survey 1983	Hazard Code 71310; Number of Industries 1; Total Number of Facilities 7; Number of Occupations 1; Total Number of Employees Exposed 28; Total Number of Female Employees Exposed 7

Organization	Reference
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA Section 8(e) Risk Notification, 8EHQ-0892-8954;8EHQ-0892-8976
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001

Page last reviewed: November 16, 2018