*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : YU4025000
CHEMICAL NAME           : Urea, m-tolyl-
CAS REGISTRY NUMBER     : 63-99-0
BEILSTEIN REFERENCE NO. : 2639488
REFERENCE               : 4-12-00-01828 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 4
MOLECULAR FORMULA       : C8-H10-N2-O
MOLECULAR WEIGHT        : 150.20
WISWESSER LINE NOTATION : ZVMR C1
SYNONYMS/TRADE NAMES :
   * Metatolylcarbamide
   * 3-Methylphenylurea
   * MTC
   * m-Tolylcarbamide
   * m-Tolylurea
   * 3-Tolylurea
 
                       *** 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           : 1330 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   IIFBA4 Izvestiya na Instituta po Fiziologiya, Bulgarska Akademiya na
   Naukite.  (Sofia, Bulgaria) V.4-16, 1960-74.  For publisher information, see
   APPBDI.  Volume(issue)/page/year: 12,195,1969
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 410 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   IIFBA4 Izvestiya na Instituta po Fiziologiya, Bulgarska Akademiya na
   Naukite.  (Sofia, Bulgaria) V.4-16, 1960-74.  For publisher information, see
   APPBDI.  Volume(issue)/page/year: 12,195,1969
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 665 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   IIFBA4 Izvestiya na Instituta po Fiziologiya, Bulgarska Akademiya na
   Naukite.  (Sofia, Bulgaria) V.4-16, 1960-74.  For publisher information, see
   APPBDI.  Volume(issue)/page/year: 12,195,1969
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 538 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   IIFBA4 Izvestiya na Instituta po Fiziologiya, Bulgarska Akademiya na
   Naukite.  (Sofia, Bulgaria) V.4-16, 1960-74.  For publisher information, see
   APPBDI.  Volume(issue)/page/year: 12,195,1969
 
                            *** END OF RECORD ***