*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : VW4900000
CHEMICAL NAME           : Silver(1+) oxide
CAS REGISTRY NUMBER     : 20667-12-3
LAST UPDATED            : 199712
DATA ITEMS CITED        : 20
MOLECULAR FORMULA       : Ag2-O
MOLECULAR WEIGHT        : 231.74
WISWESSER LINE NOTATION :  AG2 O
SYNONYMS/TRADE NAMES :
   * Argentous oxide
   * Disilver oxide
 
                       *** 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           : 2820 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   30,470,1969
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 70 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 27(12),33,1983
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1027 mg/kg
TOXIC EFFECTS :
   Behavioral - tetany
   Lungs, Thorax, or Respiration - cyanosis
   Gastrointestinal - hypermotility, diarrhea
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 27(12),33,1983
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 37 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 27(12),33,1983

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 0.01 mg(Ag)/m3
   DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
   (BEIs) booklet issues by American Conference of Governmental Industrial
   Hygienists (ACGIH), Cincinnati, OH, 1996  Volume(issue)/page/year:
   TLV/BEI,1997

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD-air:TWA 0.01 mg(Ag)/m3
   DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
   (BEIs) booklet issues by American Conference of Governmental Industrial
   Hygienists (ACGIH), Cincinnati, OH, 1996  Volume(issue)/page/year:
   3,231,1971

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-ARAB Republic of Egypt:TWA 0.01 mg(Ag)/m3 JAN 1993
   
   OEL-AUSTRALIA:TWA 0.01 mg(Ag)/m3 JAN 1993
   
   OEL-BELGIUM:TWA 0.01 mg(Ag)/m3 JAN 1993
   
   OEL-DENMARK:TWA 0.01 mg(Ag)/m3 JAN 1993
   
   OEL-FINLAND:TWA 0.01 mg(Ag)/m3;STEL 0.03 mg(Ag)/m3;Skin JAN 1993
   
   OEL-THE NETHERLANDS:TWA 0.01 mg(Ag)/m3 JAN 1993
   
   OEL-THE PHILIPPINES:TWA 0.01 mg(Ag)/m3 JAN 1993
   
   OEL-SWITZERLAND:TWA 0.01 mg(Ag)/m3 JAN 1993
   
   OEL-UNITED KINGDOM:TWA 0.01 mg(Ag)/m3 JAN 1993
   
   OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
   
   OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X2953
       No. of Facilities: 22 (estimated)
       No. of Industries: 1
       No. of Occupations: 2
       No. of Employees: 269 (estimated)
       No. of Female Employees: 22 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***