*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : WM8425000
CHEMICAL NAME           : Succinic acid, mercapto-, diethyl ester, S-ester with
                          O,S-dimethyl phosphorodithioate
CAS REGISTRY NUMBER     : 3344-12-5
LAST UPDATED            : 199710
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C10-H19-O6-P-S2
MOLECULAR WEIGHT        : 330.38
WISWESSER LINE NOTATION : 2OV1YVO2&SPO&S1&O1
COMPOUND DESCRIPTOR     : Agricultural Chemical
SYNONYMS/TRADE NAMES :
   * Butanedioic acid, ((methoxy(methylthio)phosphinothioyl)thio)diethyl ester
   * 8063HC
   * Isomalathion
   * Mercaptosuccinic acid diethyl ester, S-ester with  
   O,S-dimethylphosphorodithioate
   * (Methoxy(methylthio)phosphinothioyl)butanedioic acid diethyl ester
   * S-Methylmalathion
 
                       *** 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           : 113 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARTODN Archives of Toxicology.  (Springer-Verlag, Heidelberger Pl. 3, D-1000
   Berlin 33, Fed. Rep. Ger.)  V.32-    1974-  Volume(issue)/page/year:
   42,95,1979

                          *** STATUS IN U.S. ***
 
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***