*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UR6196000
CHEMICAL NAME           : 3(2H)-Pyridazinone, 6-(3,5-dichloro-4-methylphenyl)-
CAS REGISTRY NUMBER     : 62865-36-5
BEILSTEIN REFERENCE NO. : 0884391
REFERENCE               : 5-24-03-00469 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 12
MOLECULAR FORMULA       : C11-H8-Cl2-N2-O
MOLECULAR WEIGHT        : 255.11
COMPOUND DESCRIPTOR     : Agricultural Chemical
SYNONYMS/TRADE NAMES :
   * 6-(3,5-Dichloro-4-methylphenyl)-3(2H)-pyridazinone
   * Diclomezine
   * F-850
   * Monguard
   * SF-7531
 
                       *** 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           : 12 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JPIFAN Japan Pesticide Information.  (Japan Plant Protection Assoc.,
   1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan)  No.1-61, 1969-92.  For
   publisher information, see AGJAEP.  Volume(issue)/page/year: (52),31,1988
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 821 mg/m3/4H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NNGADV Nippon Noyaku Gakkaishi.  Journal of the Pesticide Science Society of
   Japan.  (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170,
   Japan)  V.1-    1976-  Volume(issue)/page/year: 13,625,1988
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 5 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JPIFAN Japan Pesticide Information.  (Japan Plant Protection Assoc.,
   1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan)  No.1-61, 1969-92.  For
   publisher information, see AGJAEP.  Volume(issue)/page/year: (52),31,1988
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >12 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NNGADV Nippon Noyaku Gakkaishi.  Journal of the Pesticide Science Society of
   Japan.  (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170,
   Japan)  V.1-    1976-  Volume(issue)/page/year: 13,625,1988
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >12 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NNGADV Nippon Noyaku Gakkaishi.  Journal of the Pesticide Science Society of
   Japan.  (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170,
   Japan)  V.1-    1976-  Volume(issue)/page/year: 13,625,1988
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 5957 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NNGADV Nippon Noyaku Gakkaishi.  Journal of the Pesticide Science Society of
   Japan.  (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170,
   Japan)  V.1-    1976-  Volume(issue)/page/year: 13,625,1988
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 6951 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NNGADV Nippon Noyaku Gakkaishi.  Journal of the Pesticide Science Society of
   Japan.  (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170,
   Japan)  V.1-    1976-  Volume(issue)/page/year: 13,625,1988
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >21 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NNGADV Nippon Noyaku Gakkaishi.  Journal of the Pesticide Science Society of
   Japan.  (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170,
   Japan)  V.1-    1976-  Volume(issue)/page/year: 13,625,1988
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2520 mg/kg/12W-C
TOXIC EFFECTS :
   Endocrine - changes in spleen weight
   Blood - changes in erythrocyte (RBC) count
   Related to Chronic Data - changes in testicular weight
REFERENCE :
   NNGADV Nippon Noyaku Gakkaishi.  Journal of the Pesticide Science Society of
   Japan.  (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170,
   Japan)  V.1-    1976-  Volume(issue)/page/year: 13,625,1988
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1460 gm/kg/2Y-C
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - changes in lung weight
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   NNGADV Nippon Noyaku Gakkaishi.  Journal of the Pesticide Science Society of
   Japan.  (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170,
   Japan)  V.1-    1976-  Volume(issue)/page/year: 13,625,1988
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 35280 mg/kg/12W-C
TOXIC EFFECTS :
   Liver - changes in liver weight
   Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - phosphatases
REFERENCE :
   NNGADV Nippon Noyaku Gakkaishi.  Journal of the Pesticide Science Society of
   Japan.  (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170,
   Japan)  V.1-    1976-  Volume(issue)/page/year: 13,625,1988
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 73 gm/kg/2Y-C
TOXIC EFFECTS :
   Liver - other changes
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   NNGADV Nippon Noyaku Gakkaishi.  Journal of the Pesticide Science Society of
   Japan.  (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170,
   Japan)  V.1-    1976-  Volume(issue)/page/year: 13,625,1988
 
                            *** END OF RECORD ***