*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TD1752900
CHEMICAL NAME           : Phosphorochloridothioic acid, O-ethyl O-methyl ester
CAS REGISTRY NUMBER     : 13289-13-9
LAST UPDATED            : 199606
DATA ITEMS CITED        : 3
MOLECULAR FORMULA       : C3-H8-Cl-O2-P-S
MOLECULAR WEIGHT        : 174.59
SYNONYMS/TRADE NAMES :
   * Ethyl methyl chlorothiophosphate
   * O-Methyl O-ethyl chlorothiophosphate
 
                       *** 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           : 700 mg/kg
TOXIC EFFECTS :
   Brain and Coverings - recordings from specific areas of CNS
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: 31(6),57,1987
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 800 mg/kg
TOXIC EFFECTS :
   Brain and Coverings - recordings from specific areas of CNS
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: 31(6),57,1987
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 4508 mg/kg/23D-I
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Gastrointestinal - changes in structure or function of salivary glands
   Related to Chronic Data - death
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: 31(6),57,1987
 
                            *** END OF RECORD ***