*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : GG2500000
CHEMICAL NAME           : Cobalt oxide (Co3O4)
CAS REGISTRY NUMBER     : 1308-06-1
LAST UPDATED            : 199707
DATA ITEMS CITED        : 7
MOLECULAR FORMULA       : Co3-O4
MOLECULAR WEIGHT        : 240.79
COMPOUND DESCRIPTOR     : Tumorigen
SYNONYMS/TRADE NAMES :
   * Cobaltic-cobaltous oxide
   * Cobalto-cobaltic oxide
   * Cobalto-cobaltic tetroxide
   * Cobaltosic oxide
   * Cobalt tetraoxide
   * Tricobalt tetraoxide
   * Tricobalt tetroxide
 
                       *** 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           : >5 gm/kg
TOXIC EFFECTS :
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology,
   Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128)  V.1-
   1990-  Volume(issue)/page/year: 1,696,1992
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1890 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CUTOEX Current Toxicology.  (Nova Science Publishers, Inc., 6080 Jericho
   Turnpike, Suite 207, Commack, NY  11725)  V.1    1993-
   Volume(issue)/page/year: 1,39,1993

                              *** REVIEWS ***
 
   IARC Cancer Review:Animal Inadequate Evidence
   IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
   to Man.  (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
   V.1-    1972-  Volume(issue)/page/year: 52,363,1991

   IARC Cancer Review:Human Inadequate Evidence
   IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
   to Man.  (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
   V.1-    1972-  Volume(issue)/page/year: 52,363,1991

   IARC Cancer Review:Group 2B
   IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
   to Man.  (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
   V.1-    1972-  Volume(issue)/page/year: 52,363,1991

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X4824
       No. of Facilities: 97 (estimated)
       No. of Industries: 3
       No. of Occupations: 3
       No. of Employees: 1165 (estimated)
       No. of Female Employees: 458 (estimated)

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

 
                            *** END OF RECORD ***