*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UR5857000
CHEMICAL NAME           : 3-Pyridazinecarboxylic acid,
                          1,4-dihydro-1-(4-chlorophenyl)-6-methyl-4-oxo-,
                          potassium salt
CAS REGISTRY NUMBER     : 83588-43-6
LAST UPDATED            : 199109
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C12-H19-Cl-N2-O3.K
MOLECULAR WEIGHT        : 313.88
COMPOUND DESCRIPTOR     : Agricultural Chemical
SYNONYMS/TRADE NAMES :
   * 1,4-Dihydro-1-(4-chlorophenyl)-6-methyl-4-oxo-3-pyridazinecarboxylic acid 
    potassium salt
   * Fenridazon potassium
   * Hybrex
   * Potassium  
   1-(4-chlorophenyl)-1,4-dihydro-6-methyl-4-oxopyridazine-3-carboxylate
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : >5 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FMCHA2 Farm Chemicals Handbook.  (Meister Pub., 37841 Euclid Ave.,
   Willoughy, OH 44094)  Volume(issue)/page/year: -,C167,1991
 
                            *** END OF RECORD ***