*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : EY8590000
CHEMICAL NAME           : Carbamic acid, (2-benzimidazolyl)-, ethyl ester
CAS REGISTRY NUMBER     : 6306-71-4
OTHER CAS REGISTRY NOS. : 58318-57-3
LAST UPDATED            : 199412
DATA ITEMS CITED        : 3
MOLECULAR FORMULA       : C10-H11-N3-O2
MOLECULAR WEIGHT        : 205.24
WISWESSER LINE NOTATION : T56 BM DNJ CMVO2
COMPOUND DESCRIPTOR     : Reproductive Effector
SYNONYMS/TRADE NAMES :
   * Benzimidazole carbamate d'ethyle
   * N-(2-Benzimidazolyl)carbamic acid ethyl ester
   * N-(2'-Benzimidazolyl)-urethane
   * 2-Carboethoxyaminobenzimidazole
   * Ethyl benzimidazolecarbamate
   * Ethyl 2-benzimidazolecarbamate
   * Ethyl 1H-benzimidazolylcarbamate
   * G 756
   * Lobendazole
   * NSC-42044
   * SK&F 24529
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 180 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#04389
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 82400 ug/kg
SEX/DURATION            : female 8-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   ARCVBP Annales Recherches Veterinaires.  (Institut National de la Recherche
   Agronomique, Service des Publ., Route de Saint-Cyr, 78000 Versailles,
   France)  V.1-    1970-  Volume(issue)/page/year: 21,87,1990
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 164 mg/kg
SEX/DURATION            : female 8-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
   Reproductive - Effects on Newborn - physical
REFERENCE :
   ARCVBP Annales Recherches Veterinaires.  (Institut National de la Recherche
   Agronomique, Service des Publ., Route de Saint-Cyr, 78000 Versailles,
   France)  V.1-    1970-  Volume(issue)/page/year: 21,87,1990
 
                            *** END OF RECORD ***