*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TC1750000
CHEMICAL NAME           : Phosphoric acid, diethyl 5(or 3)-methylpyrazole-3(or
                          5)-yl ester
CAS REGISTRY NUMBER     : 108-34-9
LAST UPDATED            : 199107
DATA ITEMS CITED        : 3
MOLECULAR FORMULA       : C8-H15-N2-O4-P
MOLECULAR WEIGHT        : 234.22
WISWESSER LINE NOTATION : T5MNJ C1 EOPO&O2&O2 &221
COMPOUND DESCRIPTOR     : Agricultural Chemical
SYNONYMS/TRADE NAMES :
   * O,O-Diaethyl-O-(3-methyl-1H-pyrazol-5-yl)-phosphat
   * O,O-Diethyl-O-(3-methyl-1H-pyrazol-5-yl)-fosfaat
   * Diethyl 3-methyl-5-pyrazolyl phosphate
   * O,O-Diethyl O-(3-methyl-5-pyrazolyl) phosphate
   * O,O-Dietil-O-(3-metil-1H-pirazol-5-il)-fosfato
   * ENT 24,723
   * G-24483
   * Geigy G-24483
   * Methylpyrazolyl diethylphosphate
   * 3-Methylpyrazolyl-5-diethylphosphate
   * Phosphate de diethyle et de 3-methyl-5-pyrazolyle
   * Phosphoric acid, diethyl-(3-methyl-5-pyrazolyl) ester
   * Phosphoric acid, diethyl-, 3-methylpyrazole-5-yl ester
   * Pirazoxon
   * Pyrazol-3(or 5)-ol, 5(or 3)-methyl-, diethyl phosphate
   * Pyrazoxon
   * Pyrazoxone
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 7 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JEENAI Journal of Economic Entomology.  (Entomological Soc. of America, 4603
   Calvert Rd., College Park, MD 20740)  V.1-    1908- Volume(issue)/page/year:
   50,356,1957
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 4 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARSIM* Agricultural Research Service, USDA Information Memorandum.
   (Beltsville, MD 20705)  Volume(issue)/page/year: 20,17,1966
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Bird - wild bird species
DOSE/DURATION           : 40 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   21,315,1972
 
                            *** END OF RECORD ***