*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UM0175000
CHEMICAL NAME           : Pseudourea, (2-aminoethyl)-2-thio-, dihydrobromide
CAS REGISTRY NUMBER     : 56-10-0
LAST UPDATED            : 199706
DATA ITEMS CITED        : 14
MOLECULAR FORMULA       : C3-H9-N3-S.2Br-H
MOLECULAR WEIGHT        : 281.05
WISWESSER LINE NOTATION : Z2SYZUM &EH 2
COMPOUND DESCRIPTOR     : Drug
                          Mutagen
SYNONYMS/TRADE NAMES :
   * S-(2-Aminoaethyl)isothiuronium dibromid
   * beta-Aminoaethyl-isothiuronium dihydrobromid
   * 2-(2-Aminoethyl)-2-thiopseudourea dihydrobromide
   * S-2-Aminoethylisothiouronium bromide hydrobromide
   * 2-(beta-Aminoethyl)isothiouronium bromide hydrobromide
   * Aminoethylisothiuronium bromide hydrobromide
   * S-Aminoethylisothiuronium bromide hydrobromide
   * S-(beta-Aminoethyl)isothiuronium bromide hydrobromide
   * beta-Aminoethylisothiuronium bromide hydrobromide
   * 2-Aminoethylisothiuronium bromide hydrobromide
   * S-beta-Aminoethylisothiuronium bromohydrate
   * S-(2-Aminoethyl)isothiuronium dibromide
   * 2-Aminoethylisothiouronium dibromide
   * 2-Aminoethylisothiuronium dihydrobromide
   * S-(2-Aminoethyl)pseudothiourea dihydrobromide
   * 2-Aminoethylthiopseudourea dihydrobromide
   * 2-(2-Aminoethyl)-2-thiopseudourea hydrobromide
   * Antiradon
   * Carbamimidothioic acid, 2-aminoethyl ester, dihydrobromide
   * Ixecur
   * Surrectan
   * USAF XR-31
 
                       *** 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           : 288 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans
   Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium)  V.4-   
   1898-  Volume(issue)/page/year: 142,198,1963
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 85 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CLCEAL Casopis Lekaru Ceskych. Journal of Czech Physicians.  (ARTIA, Ve
   Smeckach 30, 111 27 Prague 1, Czeckoslovakia)  V.1-    1862-
   Volume(issue)/page/year: 105,1165,1966
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 815 mg/kg
TOXIC EFFECTS :
   Behavioral - altered sleep time (including change in righting reflex)
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 129,218,1960
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 400 mg/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: AD277-689
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 242 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 7,576,1957
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 85400 ug/kg
TOXIC EFFECTS :
   Behavioral - altered sleep time (including change in righting reflex)
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 129,218,1960
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 177 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans
   Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium)  V.4-   
   1898-  Volume(issue)/page/year: 142,510,1963
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 113 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans
   Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium)  V.4-   
   1898-  Volume(issue)/page/year: 142,510,1963
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 236 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans
   Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium)  V.4-   
   1898-  Volume(issue)/page/year: 142,510,1963
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 356 mg/kg
TOXIC EFFECTS :
   Behavioral - altered sleep time (including change in righting reflex)
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 129,218,1960
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 5474 mg/kg/40D-I
TOXIC EFFECTS :
   Related to Chronic Data - death
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 129,218,1960
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 415 mg/kg/15D-I
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - food intake (animal)
   Related to Chronic Data - death
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 129,218,1960
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Micronucleus test
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Rodent - mouse
DOSE/DURATION           : 200 mg/kg
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 334,317,1995

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***