*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : OW3010000
CHEMICAL NAME           : Mercury, dimethyl
CAS REGISTRY NUMBER     : 593-74-8
BEILSTEIN REFERENCE NO. : 3600205
REFERENCE               : 4-04-00-04426 (Beilstein Handbook Reference)
LAST UPDATED            : 199712
DATA ITEMS CITED        : 32
MOLECULAR FORMULA       : C2-H6-Hg
MOLECULAR WEIGHT        : 230.67
WISWESSER LINE NOTATION : 1-HG-1
COMPOUND DESCRIPTOR     : Tumorigen
                          Organometallic
                          Mutagen
SYNONYMS/TRADE NAMES :
   * Dimethyl mercury
   * Methyl mercury
 
                       *** HEALTH HAZARD DATA ***
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Microorganism - not otherwise specified
DOSE/DURATION           : 600 mg/L
REFERENCE :
   NATUAS Nature.  (Nature Subscription Dept., POB 1018, Manasguan, NJ 08736)
   V.1-    1869-  Volume(issue)/page/year: 257,422,1975
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Human Lymphocyte
DOSE/DURATION           : 20 mg/L
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:
   22,172,1993
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Human Lymphocyte
DOSE/DURATION           : 43400 nmol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 281,255,1992
 
TYPE OF TEST            : Sex chromosome loss and nondisjunction
TEST SYSTEM             : Human Lymphocyte
DOSE/DURATION           : 1730 nmol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 281,255,1992
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Rodent - rat Lymphocyte
DOSE/DURATION           : 20 mg/L
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:
   22,172,1993
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Rodent - rat Cells - not otherwise specified
DOSE/DURATION           : 20 mg/L
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:
   22,172,1993
 
TYPE OF TEST            : Mutation test systems - not otherwise specified
TEST SYSTEM             : Rodent - mouse Cells - not otherwise specified
DOSE/DURATION           : 25 mg/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 17,93,1973
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - hamster Ovary
DOSE/DURATION           : 40 mg/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 290,281,1993

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 0.01 mg(Hg)/m3; STEL 0.03 mg/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

   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: 58,239,1993

   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: 58,239,1993

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD-air:TWA 0.001 ppm (0.01 mg(Hg)/m3)
   DTLWS* "Documentation of the Threshold Limit Values for Substances in
   Workroom Air," Supplements. For publisher information, see 85INA8.
   Volume(issue)/page/year: 3,22,1973

   OSHA PEL (Gen Indu):8H TWA 0.01 mg(Hg)/m3
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1910.1000,1994

   OSHA PEL (Construc):8H TWA 0.01 mg(Hg)/m3 (skin)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1926.55,1994

   OSHA PEL (Shipyard):8H TWA 0.01 mg(Hg)/m3 (skin)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1915.1000,1993

   OSHA PEL (Fed Cont):8H TWA 0.01 mg(Hg)/m3 (skin)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   41,50-204.50,1994

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:TWA 0.01 mg(Hg)/m3;STEL 0.03 mg(Hg)/m3;Skin JAN 1993
   
   OEL-BELGIUM:TWA 0.01 mg(Hg)/m3;STEL 0.03 mg(Hg)/m3;Skin JAN 1993
   
   OEL-DENMARK:TWA 0.01 mg(Hg)/m3;Skin JAN 1993
   
   OEL-FINLAND:TWA 0.01 mg(Hg)/m3;Skin JAN 1993
   
   OEL-FRANCE:TWA 0.01 mg(Hg)/m3;Skin JAN 1993
   
   OEL-THE NETHERLANDS:TWA 0.01 mg(Hg)/m3;STEL 0.02 mg(Hg)/m3;Skin JAN 1993
   
   OEL-THE PHILIPPINES:TWA 0.01 mg(Hg)/m3 JAN 1993
   
   OEL-SWEDEN:TWA 0.01 mg(Hg)/m3;Skin JAN 1993
   
   OEL-THAILAND:TWA 0.01 mg(Hg)/m3;STEL 0.04 mg(Hg)/m3 JAN 1993
   
   OEL-TURKEY:TWA 0.01 mg(Hg)/m3;Skin JAN 1993
   
   OEL-UNITED KINGDOM:TWA 0.01 mg(Hg)/m3;STEL 0.03 mg(Hg)/m3;Skin JAN 1993
   
   OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
   
   OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Negative: In vivo cytogenetics-mammalian oocyte
   
   EPA GENETOX PROGRAM 1988, Inconclusive: Rodent dominant lethal
   
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***