*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : PA2450000
CHEMICAL NAME           : Methanearsonic acid, monoammonium salt
CAS REGISTRY NUMBER     : 2321-53-1
LAST UPDATED            : 199512
DATA ITEMS CITED        : 25
MOLECULAR FORMULA       : C-H4-As-O3.H4-N
MOLECULAR WEIGHT        : 157.02
WISWESSER LINE NOTATION : Q-AS-QO&1 &ZH
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Mutagen
SYNONYMS/TRADE NAMES :
   * Arsonic acid, methyl-, monoammonium salt
   * Ammonium methanearsonate
   * Ansar 157
   * MAMA
   * Methanearsonic acid, ammonium salt
   * Methylarsonat monoamonny
   * Methylarsonic acid ammonium salt
   * Monoammonium methanearsonate
   * USAF AN-16
 
                       *** 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           : 750 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   28ZEAL "Pesticide Index," Frear, E.H., ed., State College, PA, College
   Science Pub., 1969  Volume(issue)/page/year: 4,266,1969
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >1 gm/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: AD691-490
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Morphological transformation
TEST SYSTEM             : Human Cells - not otherwise specified
DOSE/DURATION           : 3600 ug/L
REFERENCE :
   ITCSAF In Vitro.  (Rockville, MD)  V.1-20, 1965-85.  For publisher
   information, see ICDBEO.  Volume(issue)/page/year: 17,719,1981

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD-air:TWA 0.5 mg(As)/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: 3,16,1971

   OSHA PEL (Gen Indu):8H TWA 0.5 mg(As)/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 0.5 mg(As)/m3
   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 0.5 mg(As)/m3
   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 0.5 mg(As)/m3
   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-ARAB Republic of Egypt:TWA 0.2 mg(As)/m3 JAN 1993
   
   OEL-AUSTRALIA:TWA 0.05 mg(As)/m3;Carcinogen JAN 1993
   
   OEL-BELGIUM:TWA 0.2 mg(As)/m3 JAN 1993
   
   OEL-DENMARK:TWA 0.05 mg(As)/m3 JAN 1993
   
   OEL-FINLAND;Carcinogen JAN 1993
   
   OEL-FRANCE:TWA 0.2 mg(As)/m3 JAN 1993
   
   OEL-HUNGARY:STEL 0.5 mg(As)/m3;Carcinogen JAN 1993
   
   OEL-INDIA:TWA 0.2 mg(As)/m3 JAN 1993
   
   OEL-THE PHILIPPINES:TWA 0.5 mg(As)/m3 JAN 1993
   
   OEL-POLAND:TWA 0.3 mg(As)/m3 JAN 1993
   
   OEL-SWEDEN:TWA 0.03 mg(As)/m3;Carcinogen JAN 1993
   
   OEL-SWITZERLAND:TWA 0.1 mg(As)/m3;Carcinogen JAN 1993
   
   OEL-THAILAND:TWA 0.5 mg(As)/m3 JAN 1993
   
   OEL-TURKEY:TWA 0.5 mg(As)/m3 JAN 1993
   
   OEL-UNITED KINGDOM:TWA 0.2 mg(As)/m3 JAN 1993
   
   OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
   
   OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

 
                            *** END OF RECORD ***