*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : RN1100000
CHEMICAL NAME           : Osmium
CAS REGISTRY NUMBER     : 7440-04-2
LAST UPDATED            : 199701
DATA ITEMS CITED        : 3
MOLECULAR FORMULA       : Os
MOLECULAR WEIGHT        : 190.20
WISWESSER LINE NOTATION :  OS
SYNONYMS/TRADE NAMES :
   * Metallic osmium
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 17 mg/kg
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - dyspnea
   Gastrointestinal - nausea or vomiting
REFERENCE :
   SMSJAR Scottish Medical and Surgical Journal.  (Edinburgh, Scotland)  For
   publisher information, see SMDJAK.  Volume(issue)/page/year: 26,131,1826

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X3984
       No. of Facilities: 25 (estimated)
       No. of Industries: 2
       No. of Occupations: 2
       No. of Employees: 63 (estimated)
       No. of Female Employees: 6 (estimated)

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

 
                            *** END OF RECORD ***