*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TG0300000
CHEMICAL NAME           : Phosphorothioic acid, O,S-dimethyl O-(p-nitrophenyl)
                          ester
CAS REGISTRY NUMBER     : 597-89-7
LAST UPDATED            : 199709
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C8-H10-N-O5-P-S
MOLECULAR WEIGHT        : 263.22
WISWESSER LINE NOTATION : WNR DOPO&S1&O1
COMPOUND DESCRIPTOR     : Agricultural Chemical
SYNONYMS/TRADE NAMES :
   * O,S-Dimethyl O-(p-nitrophenyl) phosphorothioate
   * O,S-Dimethyl O-(4-nitrophenyl)thiophosphate
   * 8061 HC
   * Isomethylparathion
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 200 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AEPPAE Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und
   Pharmakologie.  (Berlin, Ger.) V.110-253, 1925-66.  For publisher
   information, see NSAPCC.  Volume(issue)/page/year: 211,264,1950
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 35 mg/kg
TOXIC EFFECTS :
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - true cholinesterase
REFERENCE :
   AMIHAB AMA Archives of Industrial Health.  (Chicago, IL)  V.11-21, 1955-60.
   For publisher information, see AEHLAU.  Volume(issue)/page/year: 11,487,1955
 
                            *** END OF RECORD ***