*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : KM5745000
CHEMICAL NAME           : Ethanone,
                          2-((4-(2,4-dichlorobenzoyl)-1,3-dimethyl-1H-pyrazol-5
                          -yl)oxy)-1-phenyl-
CAS REGISTRY NUMBER     : 71561-11-0
LAST UPDATED            : 199512
DATA ITEMS CITED        : 13
MOLECULAR FORMULA       : C20-H16-Cl2-N2-O3
MOLECULAR WEIGHT        : 403.28
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * 2-(4-(2,4-Dichlorobenzoyl)-1,3-dimethylpyrazol-5-yloxy)acetophenone
   *   2-((4-(2,4-Dichlorobenzoyl)-1,3-dimethyl-1H-pyrazol-5-yl)oxy)-1-phenylet
     hanone
   * Paicer
   * Pyrazoxyfen
   * SL 49
 
                       *** 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           : 1644 mg/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: (45),24,1984
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >280 mg/m3
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: 13,167,1988
 
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: (45),24,1984
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 308 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: 13,167,1988
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 4920 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: 13,167,1988
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >8450 mg/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: (45),24,1984
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 659 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: 13,167,1988
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >8450 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: 13,167,1988
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 420 mg/kg/4W-C
TOXIC EFFECTS :
   Liver - changes in liver 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: 13,167,1988
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 13104 mg/kg/2Y-C
TOXIC EFFECTS :
   Liver - other changes
   Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
   Blood - changes in leukocyte (WBC) count
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: 13,167,1988
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 10080 mg/kg/4W-C
TOXIC EFFECTS :
   Liver - fatty liver degeneration
   Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
   acute tubular necrosis)
   Endocrine - changes in spleen 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: 13,167,1988
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 26208 mg/kg/2Y-C
TOXIC EFFECTS :
   Liver - other changes
   Liver - changes in liver weight
   Kidney, Ureter, Bladder - other changes in urine composition
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: 13,167,1988
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 50 mg/kg
SEX/DURATION            : female 6-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Maternal Effects - other effects
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
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: 13,167,1988
 
                            *** END OF RECORD ***