*** 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 ***