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Registry of Toxic Effects of Chemical Substances (RTECS)

Biphenyl

RTECS #

DU8050000

CAS #

92-52-4

Updated

September 201

Molecular Weight

154.22

Molecular Formula

C12H10

Synonyms

1,1'-Biphenyl
Bibenzene
Biphenyl (ACGIH:OSHA)
Carolid AL
CP 390
Diphenyl (OSHA)
Lemonene
MCS 1572
Phenador-X
Phenylbenzene
PHPH
Tetrosin LY
Xenene

Skin and Eye Irritation and References

Route/OrganismDoseEffectReference
eye /rabbit 100 mg mildMONS**
skin /rabbit 500 µL/24H severeNTIS** OTS0546109

Mutation Data and Reference

System TestRoute/Organism/TissueDoseReference
Cytogenetic Analysislung/hamster10 mg/LESKHA5 (103),64,1985
DNA Damageoral/mouse100 mg/kgMUREAV 519,103,2002
DNA Damagelymphocyte/mouse50 µmol/LMUREAV 203,155,1988
mutation in mammalian somatic cellslymphocyte/mouse296 µmol/LMUTAEX 3,193,1988
mutation in microorganismslung/hamster10 mg/L (+enzymatic activation step)MUREAV 281,151,1992
mutation in microorganismslymphocyte/mouse20 µmol/L (+enzymatic activation step)MUTAEX 3,193,1988
sister chromatid exchangefibroblast/hamster100 µmol/LJNCIAM 58,1635,1977
Unscheduled DNA Synthesisoral/rat8400 mg/kg/4W-continuousTXAPA9 99,37,1989

Tumorigenic Data and References

Route/OrganismDoseEffectReference
oral/mouse lowest published toxic dose: 56 gm/kgTumorigenic: Equivocal tumorigenic agent by RTECS criteria

Lung, Thorax, or Respiration: Tumors

Blood: Tumors
NTIS** PB223-159
oral/rat lowest published toxic dose: 276640 mg/kg/104W- intermittentTumorigenic: Neoplastic by RTECS criteria

Kidney, Ureter, and Bladder: Bladder tumors

Tumorigenic: Increased incidence of tumors in susceptible strains
HPV144 -,-,2003
subcutaneous/mouse lowest published toxic dose: 46 mg/kgTumorigenic: Neoplastic by RTECS criteria

Lung, Thorax, or Respiration: Tumors

Liver: Tumors
NTIS** PB223-159

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
inhalation/human lowest published toxic concentration: 4400 µg/m3Peripheral Nerve and Sensation: Flaccid paralysis without anesthesia (usually neuromuscular blockage)

Gastrointestinal: Nausea or vomiting

Gastrointestinal: Other changes
AEHLAU 26,70,1973
inhalation/rat Lethal concentration: >200 mg/m3MONS**
intraperitoneal/rat lowest published toxic dose: 160 mg/kgEndocrine: Estrogenic

Reproductive: Maternal effects: Uterus, cervix, vagina

Related to Chronic Data: Changes in uterine weight
RCOCB8 9,85,1974
intravenous/mouse lethal dose (50 percent kill): 56 mg/kgCSLNX* NX#00198
oral/cat lethal dose (50 percent kill): >2600 mg/kg85JFAN A166,1983
oral/mouse lowest published toxic dose: 120 mg/kgLiver: Other changesTOXID9 66,10,2002
oral/mouse lethal dose (50 percent kill): 1900 mg/kgBehavioral: Somnolence (general depressed activity)

Gastrointestinal: Hypermotility, diarrhea
SKEZAP 24,268,1983
oral/rabbit lethal dose (50 percent kill): 2400 mg/kgNASDA6 28,983,1977
oral/rat lethal dose (50 percent kill): 2140 mg/kgBehavioral: Somnolence (general depressed activity)

Behavioral: Muscle weakness

Gastrointestinal: Alteration in gastric secretion
NTIS** OTS0546109
oral/rat lethal dose (50 percent kill): 2400 mg/kgLung, Thorax, or Respiration: Other changes

Liver: Other changes

Blood: Hemorrhage
HPV144 -,-,2003
oral/wild bird lethal dose (50 percent kill): 96 mg/kgBFUUA* 50,1,1992
skin/rabbit lethal dose (50 percent kill): >5010 mg/kgLung, Thorax, or Respiration: Other changes

Gastrointestinal: Gastritis

Liver: Other changes
HPV144 -,-,2003
skin/rabbit lethal dose (50 percent kill): >5010 mg/kgMONS**
unreported route/rat lethal dose (50 percent kill): 4500 mg/kgGISAAA 53(5),6,1988

Other Multiple Dose Data and References

Route/OrganismDoseEffectReference
inhalation/mouse lowest published toxic concentration: 5 mg/m3/7H/92D- intermittentLung, Thorax, or Respiration: Emphysema

Lung, Thorax, or Respiration: Chronic pulmonary edema or congestion

Related to Chronic Data: Death in the "MULTIPLE DOSE" data type field
JIHTAB 29,1,1947
inhalation/mouse lowest published toxic concentration: 25 ppm/13W- intermittentLung, Thorax, or Respiration: Structural or functional change in trachea or bronchi

Biochemical: Metabolism (intermediary): Effect on inflammation or mediation of inflammation
HPV144 -,-,2003
inhalation/mouse lowest published toxic concentration: 50 ppm/13W- intermittentLung, Thorax, or Respiration: Structural or functional change in trachea or bronchi

Biochemical: Metabolism (intermediary): Effect on inflammation or mediation of inflammation

Related to Chronic Data: Death in the "MULTIPLE DOSE" data type field
HPV144 -,-,2003
inhalation/rat lowest published toxic concentration: 300 mg/m3/7H/94D- intermittentOlfaction: Other olfaction effects

Lung, Thorax, or Respiration: Emphysema

Related to Chronic Data: Death in the "MULTIPLE DOSE" data type field
JIHTAB 29,1,1947
intraperitoneal/rat lowest published toxic dose: 150 mg/kg/3D- intermittentBiochemical: Enzyme inhibition, induction, or change in blood or tissue levels: Other enzymesTXAPA9 33,94,1975
oral/mouse lowest published toxic dose: 218400 mg/kg/104W- intermittentKidney, Ureter, and Bladder: Changes in both tubules and glomeruliHPV144 -,-,2003
oral/rat lowest published toxic dose: 3300 mg/kg/15D- intermittentKidney, Ureter, and Bladder: Changes in bladder weight

Blood: Changes in serum composition (e.g. TP, bilirubin, cholesterol)

Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: Phosphatases
TXAPA9 57,414,1981
oral/rat lowest published toxic dose: 41250 mg/kg/24W- continuousKidney, Ureter, and Bladder: Changes in tubules (including acute renal failure, acute tubular necrosis)

Kidney, Ureter, and Bladder: Urine volume increased
TXAPA9 3,560,1961
oral/rat lowest published toxic dose: 187500 mg/kg/750D- intermittentKidney, Ureter, and Bladder: Changes in tubules (including acute renal failure, acute tubular necrosis)

Nutritional and Gross Metabolic: Weight loss or decreased weight gain

Related to Chronic Data: Death in the "MULTIPLE DOSE" data type field
HPV144 -,-,2003
oral/rat lowest published toxic dose: 27664 mg/kg/104W- intermittentBlood: Changes in serum composition (e.g. TP, bilirubin, cholesterol)

Biochemical: Metabolism (intermediary): Other
HPV144 -,-,2003
oral/rat lowest published toxic dose: 82264 mg/kg/104W- intermittentKidney, Ureter, and Bladder: Other changes

Blood: Changes in serum composition (e.g. TP, bilirubin, cholesterol)

Biochemical: Metabolism (intermediary): Other
HPV144 -,-,2003

Reviews

OrganizationStandardReference
American Conference of Governmental Industrial Hygienists (ACGIH)Threshold Limit Value-time-weighted average 0.2 ppmDTLVS* TLV/BEI,2013
TOXICOLOGY REVIEWAJMEAZ 38,409,1965

Standards and Regulations

OrganizationStandardReference
Environmental Protection Agency (EPA) Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATIONFEREAC 54,7740,1989
Environmental Protection Agency (EPA) Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) 1998 STATUS OF PESTICIDESCancelledRBREV* -,162,1998
Mine Safety and Health Administration (MSHA) STANDARD-airtime-weighted average 0.2 ppm (1 mg/m3)DTLVS* 3,94,1971
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN check ACGIH TLV;
Occupational Exposure Limit IN SINGAPORE, VIETNAM check ACGIH TLV
Occupational Exposure Limit-ARAB Republic of Egypttime-weighted average 0.2 ppm (1 mg/m3), JAN1993
Occupational Exposure Limit-AUSTRALIAtime-weighted average 0.2 ppm (1.3 mg/m3), JUL2008
Occupational Exposure Limit-AUSTRIAMAK-TMW 0.2 ppm (1 mg/m3), skin, 2007
Occupational Exposure Limit-BELGIUMtime-weighted average 0.2 ppm (1.3 mg/m3), MAR2002
Occupational Exposure Limit-DENMARKtime-weighted average 0.2 ppm (1 mg/m3), MAY2011
Occupational Exposure Limit-FINLANDtime-weighted average 0.2 ppm (1.3 mg/m3), short term exposure limit 0.6 ppm (3.8 mg/m3), NOV2011
Occupational Exposure Limit-FRANCEVME 0.2 ppm (1.5 mg/m3), FEB2006
Occupational Exposure Limit-HUNGARYtime-weighted average 1 mg/m3, Skin, SEP2000
Occupational Exposure Limit-ICELANDtime-weighted average 0.2 ppm (1 mg/m3), NOV2011
Occupational Exposure Limit-INDIAtime-weighted average 0.2 ppm (1.5 mg/m3), JAN1993
Occupational Exposure Limit-KOREAtime-weighted average 0.2 ppm (1.5 mg/m3), 2006
Occupational Exposure Limit-MEXICOtime-weighted average 0.2 ppm (1.5 mg/m3);short term exposure limit 0.6 ppm (4 mg/m3), 2004
Occupational Exposure Limit-NEW ZEALANDtime-weighted average 0.2 ppm (1.3 mg/m3), JAN2002
Occupational Exposure Limit-NORWAYtime-weighted average 0.2 ppm (1 mg/m3), JAN1999
Occupational Exposure Limit-PERUtime-weighted average 0.2 ppm (1.26 mg/m3), JUL2005
Occupational Exposure Limit-POLANDtime-weighted average 1 mg/m3, short term exposure limit 2 mg/m3, JAN1999
Occupational Exposure Limit-SWEDENtime-weighted average 0.2 ppm (1.3 mg/m3);short term exposure limit 0.4 ppm (2.5 mg/m3), JUN2005
Occupational Exposure Limit-SWITZERLANDMAK-week 0.2 ppm (1.3 mg/m3), JAN2011
Occupational Exposure Limit-THAILANDtime-weighted average 0.2 ppm (1 mg/m3), JAN1993
Occupational Exposure Limit-THE NETHERLANDSMAC-TGG 1 mg/m3, 2003
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction)8H time-weighted average 0.2 ppm (1 mg/m3)CFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Federal Contractors)8H time-weighted average 0.2 ppm (1 mg/m3)CFRGBR 41,50-204.50,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry)8H time-weighted average 0.2 ppm (1 mg/m3)CFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards)8H time-weighted average 0.2 ppm (1 mg/m3)CFRGBR 29,1915.1000,1993

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO DIPHENYL-air10H time-weighted average 0.2 ppmNIOSH* DHHS #92-100,1992
National Occupational Exposure Survey 1983Hazard Code 27590; Number of Industries 20; Total Number of Facilities 2220; Number of Occupations 36; Total Number of Employees Exposed 32003; Total Number of Female Employees Exposed 3708
National Occupational Hazard Survey 1974Hazard Code 27590; Number of Industries 10; Total Number of Facilities 281; Number of Occupations 29; Total Number of Employees Exposed 10589

Status in Federal Agencies

OrganizationReference
EPA GENETOX PROGRAM 1988, Negative: In vitro UDS-human fibroblast; In vitro UDS in rat liver
EPA GENETOX PROGRAM 1988, Negative: S cerevisiae-homozygosis
EPA GENETOX PROGRAM 1988, Positive/dose response: In vitro SCE-nonhuman
EPA TSCA 8(a) PRELIMINARY ASSESSMENT INFORMATION, FINAL RULEFEREAC 47,26992,82
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA Section 8(d) unpublished health/safety studies
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001
NIOSH Analytical Method, 1994: Diphenyl, 2530
On EPA IRIS database
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