*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : WZ6472000
CHEMICAL NAME           : o-Terphenyl
CAS REGISTRY NUMBER     : 84-15-1
LAST UPDATED            : 199710
DATA ITEMS CITED        : 6
MOLECULAR FORMULA       : C18-H14
MOLECULAR WEIGHT        : 230.32
WISWESSER LINE NOTATION : RR BR
SYNONYMS/TRADE NAMES :
   * 1,2-Diphenylbenzene
   * 1,1':2',1''-Terphenyl
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1900 mg/kg
TOXIC EFFECTS :
   Gastrointestinal - hypermotility, diarrhea
   Skin and Appendages - hair
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   23,372,1962
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 15 gm/kg/30D-C
TOXIC EFFECTS :
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   23,372,1962

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD-air:CL 1 ppm (9 mg/m3)
   DTLWS* "Documentation of the Threshold Limit Values for Substances in
   Workroom Air," Supplements. For publisher information, see 85INA8.
   Volume(issue)/page/year: 3,28,1973

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
   
   NIOSH Analytical Method, 1994: o-Terphenyl, 5021

 
                            *** END OF RECORD ***