*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UM0738000
CHEMICAL NAME           : Pseudourea, 2-benzyl-2-thio-, monohydrochloride
CAS REGISTRY NUMBER     : 538-28-3
LAST UPDATED            : 199701
DATA ITEMS CITED        : 6
MOLECULAR FORMULA       : C8-H10-N2-S.Cl-H
MOLECULAR WEIGHT        : 202.72
WISWESSER LINE NOTATION : MUYZS1R &GH
SYNONYMS/TRADE NAMES :
   * Benzylisothiourea hydrochloride
   * Benzylisothiouronium chloride
   * 2-Benzylisothiouronium chloride
   * Benzyl thiopseudourea hydrochloride
   * Benzylthiuronium chloride
   * S-Benzylthiuronium chloride
   * BTKH
   * Isothiouronium chloride, benzyl-
   * Pseudourea, 2-benzyl-2-thio-, hydrochloride
   * Pseudourea, 2-thio-2-benzyl-, hydrochloride
   * TL 944
   * USAF EK-2124
 
                       *** 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           : 27 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
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: 27(2),52,1983
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 170 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   URXXAF U.S.S.R. Patent Document.  (Gosudarstvennyi Komitet SSSR po Delam
   Izobretenii i Otkrytii, Malyi Tcherkasski pereulok 2/6, Moscow, Russia).
   Volume(issue)/page/year: #0822829
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 50 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            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 80 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NDRC** National Defense Research Committee, Office of Scientific Research
   and Development, Progress Report.  Volume(issue)/page/year: No.9-4-1-9,1943
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 32 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems
   Laboratory, NIOSH Exchange Chemicals.  (Aberdeen Proving Ground, MD 21010)
   Volume(issue)/page/year: NX#00167

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

 
                            *** END OF RECORD ***