*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : GG0350000
CHEMICAL NAME           : Cobalt, di-pi-cyclopentadienyl-
CAS REGISTRY NUMBER     : 1277-43-6
LAST UPDATED            : 199701
DATA ITEMS CITED        : 5
MOLECULAR FORMULA       : C10-H10-Co
MOLECULAR WEIGHT        : 189.13
WISWESSER LINE NOTATION : L50J 0-CO-- 0L50J
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
SYNONYMS/TRADE NAMES :
   * Bis(cyclopentadienyl)cobalt
   * Cobaltocene
   * Dicyclopentadienylcobalt
   * Kobaltocen
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 55 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NCIUS* Progress Report for Contract No. PH-43-64-886, Submitted to the
   National Cancer Institute by The Institute of Chemical Biology, University
   of San Francisco.  (San Francisco, CA 94117)  Volume(issue)/page/year:
   PH43-64-886
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 80 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NCIUS* Progress Report for Contract No. PH-43-64-886, Submitted to the
   National Cancer Institute by The Institute of Chemical Biology, University
   of San Francisco.  (San Francisco, CA 94117)  Volume(issue)/page/year:
   PH43-64-886
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intramuscular
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 200 mg/kg/60W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Tumorigenic - tumors at site of application
REFERENCE :
   NCIUS* Progress Report for Contract No. PH-43-64-886, Submitted to the
   National Cancer Institute by The Institute of Chemical Biology, University
   of San Francisco.  (San Francisco, CA 94117)  Volume(issue)/page/year:
   PH43-64-886
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 3333 ug/plate
REFERENCE :
   EMMUEG Environmental and Molecular Mutagenesis.  (Alan R. Liss, Inc., 41 E.
   11th St., New York, NY 10003)  V.10-    1987-  Volume(issue)/page/year:
   19(Suppl 21),2,1992

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***