*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : DD8870000
CHEMICAL NAME           : 1H-Benzimidazole,
                          1-(2-ethoxyethyl)-2-(hexahydro-4-methyl-1H-1,4-diazep
                          in-1-yl)-, (E)-2-butenedioate (1:2)
CAS REGISTRY NUMBER     : 87233-62-3
LAST UPDATED            : 199503
DATA ITEMS CITED        : 12
MOLECULAR FORMULA       : C17-H26-N4-O.2C4-H4-O4
MOLECULAR WEIGHT        : 534.63
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * Benzimidazole,  
   1-(2-ethoxyethyl)-2-(4-methylhexahydro-1H-1,4-diazepin-1-yl)-, fumarate  
   (1:2)
   * Emedastine difumarate
   * 1-(2-Ethoxyethyl)-2-(4-methylhexahydro-1H-1,4-diazepin-1-yl)benzimidazole 
    fumarate (1:2)
   * 1-(2-Ethoxyethyl)-2-(4-methyl-1-homopiperazinyl)benzimidazole difumarate
   * KB-2413
   * KG-2413
   * LY 188695
 
                       *** 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           : 1854 mg/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - mydriasis (pupillary dilation)
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 39,209,1990
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 643 mg/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - mydriasis (pupillary dilation)
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 39,209,1990
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 72 mg/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - mydriasis (pupillary dilation)
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 39,209,1990
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 2206 mg/kg
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 39,209,1990
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 609 mg/kg
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 39,209,1990
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 93 mg/kg
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 39,209,1990
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 193 mg/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - lacrimation
   Behavioral - convulsions or effect on seizure threshold
   Cardiac - pulse rate increase, without fall in BP
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 39,209,1990
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 744 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: 34,801,1984
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 22750 mg/kg/13W-I
TOXIC EFFECTS :
   Liver - changes in liver weight
   Kidney, Ureter, Bladder - other changes in urine composition
   Nutritional and Gross Metabolic - changes in calcium
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 39,215,1990
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 18250 mg/kg/1Y-I
TOXIC EFFECTS :
   Liver - other changes
   Endocrine - changes in pituitary weight
   Related to Chronic Data - changes in prostate weight
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 39,269,1990
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 6825 mg/kg/13W-I
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Blood - changes in spleen
   Related to Chronic Data - death
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 39,231,1990
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 16425 mg/kg/1Y-I
TOXIC EFFECTS :
   Liver - changes in liver weight
   Related to Chronic Data - changes in prostate weight
   Related to Chronic Data - changes in testicular weight
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 39,285,1990
 
                            *** END OF RECORD ***