*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : LY4900000
CHEMICAL NAME           : Germane
CAS REGISTRY NUMBER     : 7782-65-2
LAST UPDATED            : 199712
DATA ITEMS CITED        : 17
MOLECULAR FORMULA       : Ge-H4
MOLECULAR WEIGHT        : 76.63
SYNONYMS/TRADE NAMES :
   * Germanium hydride
   * Germanium tetrahydride
   * Monogermane
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1250 mg/kg
TOXIC EFFECTS :
   Behavioral - excitement
   Behavioral - ataxia
   Behavioral - muscle contraction or spasticity
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: 18(2),56,1974
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1380 mg/m3
TOXIC EFFECTS :
   Behavioral - excitement
   Behavioral - ataxia
   Behavioral - muscle contraction or spasticity
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: 18(2),56,1974

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 0.63 mg/m3 (0.2 ppm)
   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 0.2 ppm (0.6 mg/m3)
   DTLWS* "Documentation of the Threshold Limit Values for Substances in
   Workroom Air," Supplements. For publisher information, see 85INA8.
   Volume(issue)/page/year: 3,20,1973

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:TWA 0.2 ppm (0.6 mg/m3) JAN 1993
   
   OEL-BELGIUM:TWA 0.2 ppm (0.63 mg/m3) JAN 1993
   
   OEL-DENMARK:TWA 0.2 ppm (0.6 mg/m3) JAN 1993
   
   OEL-FINLAND:STEL 0.2 ppm (0.6 mg/m3) JAN 1993
   
   OEL-FRANCE:TWA 0.2 ppm (0.6 mg/m3) JAN 1993
   
   OEL-THE NETHERLANDS:TWA 0.2 ppm (0.6 mg/m3) JAN 1993
   
   OEL-RUSSIA:STEL 5 mg/m3 JAN 1993
   
   OEL-SWITZERLAND:TWA 0.2 ppm (0.6 mg/m3) JAN 1993
   
   OEL-UNITED KINGDOM:TWA 0.2 ppm (0.6 mg/m3);STEL 0.6 ppm 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 RECOMMENDED EXPOSURE LEVEL (REL) :
   NIOSH REL TO GERMANIUM TETRAHYDRIDE-air:10H TWA 0.2 ppm
REFERENCE :
   NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of
   Health, Education, and Welfare, Reports and Memoranda.
   Volume(issue)/page/year: DHHS #92-100,1992

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

 
                            *** END OF RECORD ***