*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : OW1515000
CHEMICAL NAME           : Mercury(II) cyanide
CAS REGISTRY NUMBER     : 592-04-1
BEILSTEIN REFERENCE NO. : 4652800
REFERENCE               : 4-02-00-00050 (Beilstein Handbook Reference)
LAST UPDATED            : 199712
DATA ITEMS CITED        : 32
MOLECULAR FORMULA       : C2-Hg-N2
MOLECULAR WEIGHT        : 252.63
WISWESSER LINE NOTATION :  HG  CN2
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Human
SYNONYMS/TRADE NAMES :
   * Cianurina
   * Cyanure de mercure
   * Dicyanomercury
   * Mercuric cyanide
   * Mercury dicyanide
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human - man
DOSE/DURATION           : 71400 ug/kg
TOXIC EFFECTS :
   Cardiac - pulse rate increase, without fall in BP
   Vascular - BP lowering not characterized in autonomic section
   Kidney, Ureter, Bladder - urine volume decreased
REFERENCE :
   ICMED9 Intensive Care Medicine.  (Springer-Verlag New York, Inc., Service
   Center, 44 Hartz Way, Secaucus, NJ 07094)  V.3-    1977-
   Volume(issue)/page/year: 21,1051,1995
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human
DOSE/DURATION           : 10 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YAKUD5 Gekkan Yakuji.  Pharmaceuticals Monthly.  (Yakugyo Jihosha, Inaoka
   Bldg., 2-36 Jinbo-cho, Kanda, Chiyoda-ku, Tokyo 101, Japan)  V.1-   1959-
   Volume(issue)/page/year: 22,291,1980
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human
DOSE/DURATION           : 27 mg/kg
TOXIC EFFECTS :
   Gastrointestinal - hypermotility, diarrhea
   Gastrointestinal - nausea or vomiting
   Kidney, Ureter, Bladder - other changes
REFERENCE :
   CTOXAO Clinical Toxicology.  (New York, NY)  V.1-18, 1968-81.  For publisher
   information, see JTCTDW.  Volume(issue)/page/year: 11,301,1977
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human - woman
DOSE/DURATION           : 10 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Gastrointestinal - hypermotility, diarrhea
   Gastrointestinal - nausea or vomiting
REFERENCE :
   JAMAAP JAMA, Journal of the American Medical Association.  (AMA, 535 N.
   Dearborn St., Chicago, IL 60610)  V.1-    1883-  Volume(issue)/page/year:
   66,1694,1916
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 26 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AMRL** Aerospace Medical Research Laboratory Report.  (Aerospace Technical
   Div., Air Force Systems Command, Wright-Patterson Air Force Base, OH 45433)
   Volume(issue)/page/year: TR-72-62,1972
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 7500 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NCNSA6 National Academy of Sciences, National Research Council,
   Chemical-Biological Coordination Center, Review.  (Washington, DC)
   Volume(issue)/page/year: 5,28,1953
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 33 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: PB214-270
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 2710 ug/kg
TOXIC EFFECTS :
   Gastrointestinal - other changes
REFERENCE :
   PSEBAA Proceedings of the Society for Experimental Biology and Medicine.
   (Academic Press, Inc., 1 E. First St., Duluth, MN 55802)  V.1-    1903/04-
   Volume(issue)/page/year: 116,371,1964
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 2 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 41,21,1931

                              *** 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

   TOXICOLOGY REVIEW
   AJMEAZ American Journal of Medicine.  (Technical Pub., 875 Third Ave., New
   York, NY 10022) V.1-    1946-  Volume(issue)/page/year: 38,409,1965

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD-air:TWA 0.05 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

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:TWA 0.05 mg(Hg)/m3;Skin JAN 1993
   
   OEL-BELGIUM:TWA 0.05 mg(Hg)/m3;Skin JAN 1993
   
   OEL-DENMARK:TWA 0.05 mg(Hg)/m3 JAN 1993
   
   OEL-FINLAND:TWA 0.05 mg(Hg)/m3 JAN 1993
   
   OEL-FRANCE:TWA 0.05 mg(Hg)/m3 JAN 1993
   
   OEL-GERMANY:TWA 0.01 ppm (0.1 mg(Hg)/m3) JAN 1993
   
   OEL-HUNGARY:TWA 0.02 mg(Hg)/m3;STEL 0.04 mg(Hg)/m3 JAN 1993
   
   OEL-JAPAN:TWA 0.05 mg(Hg)/m3 JAN 1993
   
   OEL-THE NETHERLANDS:TWA 0.05 mg(Hg)/m3;STEL 0.15 mg(Hg)/m3  JAN 1993
   
   OEL-THE PHILIPPINES:TWA 0.05 mg(Hg)/m3 JAN 1993
   
   OEL-POLAND:TWA 0.01 mg(Hg)/m3 JAN 1993
   
   OEL-RUSSIA:TWA 0.05 mg(Hg)/m3;STEL 0.01 mg(Hg)/m3 JAN 1993
   
   OEL-SWEDEN:TWA 0.05 mg(Hg)/m3 JAN 1993
   
   OEL-THAILAND:STEL 0.05 mg(Hg)/m3 JAN 1993
   
   OEL-UNITED KINGDOM:TWA 0.05 mg(Hg)/m3;STEL 0.15 mg(Hg)/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 RECOMMENDED EXPOSURE LEVEL (REL) :
   NIOSH REL TO MERCURY, ARYL AND INORGANIC-air:CL 0.1 mg/m3 (Sk)
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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - M2765
       No. of Facilities: 3 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 3 (estimated)

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

 
                            *** END OF RECORD ***