*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TC6593500
CHEMICAL NAME           : Phosphoric acid, monoethyl ester, compd. with
                          2-ethyl-2-thiopseudourea (1:1)
CAS REGISTRY NUMBER     : 21704-45-0
LAST UPDATED            : 198106
DATA ITEMS CITED        : 5
MOLECULAR FORMULA       : C3-H8-N2-S.C2-H7-O4-P
MOLECULAR WEIGHT        : 230.25
WISWESSER LINE NOTATION : QPQO&O2 &MUYZS2
SYNONYMS/TRADE NAMES :
   * Carbamidothioic acid, ethyl ester, ethyl phosphate (1:1)
   * S-Ethylisothiuronium ethyl phosphate
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 425 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - muscle contraction or spasticity
   Lungs, Thorax, or Respiration - respiratory stimulation
REFERENCE :
   FATOAO Farmakologiya i Toksikologiya (Moscow).  For English translation, see
   PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2-   
   1939-  Volume(issue)/page/year: 43,212,1980
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 2100 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - muscle contraction or spasticity
   Lungs, Thorax, or Respiration - respiratory stimulation
REFERENCE :
   FATOAO Farmakologiya i Toksikologiya (Moscow).  For English translation, see
   PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2-   
   1939-  Volume(issue)/page/year: 43,212,1980
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 510 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - muscle contraction or spasticity
   Lungs, Thorax, or Respiration - respiratory stimulation
REFERENCE :
   FATOAO Farmakologiya i Toksikologiya (Moscow).  For English translation, see
   PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2-   
   1939-  Volume(issue)/page/year: 43,212,1980
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 680 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - muscle contraction or spasticity
   Lungs, Thorax, or Respiration - respiratory stimulation
REFERENCE :
   FATOAO Farmakologiya i Toksikologiya (Moscow).  For English translation, see
   PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2-   
   1939-  Volume(issue)/page/year: 43,212,1980
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intramuscular
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 575 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - muscle contraction or spasticity
   Lungs, Thorax, or Respiration - respiratory stimulation
REFERENCE :
   FATOAO Farmakologiya i Toksikologiya (Moscow).  For English translation, see
   PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2-   
   1939-  Volume(issue)/page/year: 43,212,1980
 
                            *** END OF RECORD ***