*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UQ7350000
CHEMICAL NAME           : Pyrazole, 4-methyl-
CAS REGISTRY NUMBER     : 7554-65-6
BEILSTEIN REFERENCE NO. : 0105204
REFERENCE               : 5-23-05-00031 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 5
MOLECULAR FORMULA       : C4-H6-N2
MOLECULAR WEIGHT        : 82.12
WISWESSER LINE NOTATION : T5MNJ D1
SYNONYMS/TRADE NAMES :
   * 4-Methylpyrazol
   * 4-Methylpyrazole
 
                       *** 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           : 534 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EXPEAM Experientia.  (Birkhaeuser Verlag, POB 133, CH-4010 Basel,
   Switzerland)  V.1-    1945-  Volume(issue)/page/year: 28,1198,1972
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 310 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EXPEAM Experientia.  (Birkhaeuser Verlag, POB 133, CH-4010 Basel,
   Switzerland)  V.1-    1945-  Volume(issue)/page/year: 28,1198,1972
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 640 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EXPEAM Experientia.  (Birkhaeuser Verlag, POB 133, CH-4010 Basel,
   Switzerland)  V.1-    1945-  Volume(issue)/page/year: 28,1198,1972
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 310 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EXPEAM Experientia.  (Birkhaeuser Verlag, POB 133, CH-4010 Basel,
   Switzerland)  V.1-    1945-  Volume(issue)/page/year: 28,1198,1972
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 800 mg/kg/4D-I
TOXIC EFFECTS :
   Behavioral - fluid intake
   Endocrine - changes in spleen weight
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   APTOA6 Acta Pharmacologica et Toxicologica.  (Copenhagen, Denmark)  V.1-59,
   1945-86.  For publisher information, see PHTOEH  Volume(issue)/page/year:
   39,513,1976
 
                            *** END OF RECORD ***