*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TF2275000
CHEMICAL NAME           : Phosphorothioic acid, O,O-diethyl ester, O-ester with
                          6-hydroxy-2-phenyl-3(2H)pyridazinone
CAS REGISTRY NUMBER     : 119-12-0
BEILSTEIN REFERENCE NO. : 0302741
REFERENCE               : 4-25-00-00030 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 17
MOLECULAR FORMULA       : C14-H17-N2-O4-P-S
MOLECULAR WEIGHT        : 340.36
WISWESSER LINE NOTATION : T6NNVJ BR& FOPS&O2&O2
COMPOUND DESCRIPTOR     : Agricultural Chemical
SYNONYMS/TRADE NAMES :
   * American cyanamid 12,503
   * CL 12503
   * O,O-Diethyl O-(2,3-dihydro-3-oxo-2-phenyl-6-pyridazinyl)phosphorothioate
   * O,O-Diethylphosphorothioate, O-ester with  
   6-hydroxy-2-phenyl-3(2H)-pyridazinone
   * O-(1,6-Dihydro-6-oxo-1-phenylpyridazin-3-yl) O,O-diethyl phosphorothioate
   * ENT 23,968
   * Ofnack
   * Ofnak
   * Ofunack
   * Pyridafenthion
   * Pyridaphenthion
   * 3(2H)-Pyridazinone, 6-hydroxy-2-phenyl-, O-ester with O,O-diethyl  
   phosphorothioate
 
                       *** 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           : 424 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YKYUA6 Yakkyoku.  Pharmacy.  (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo,
   Japan)  V.1-    1950-  Volume(issue)/page/year: 37,1621,1986
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1100 mg/m3/4H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PEMNDP Pesticide Manual.  (The British Crop Protection Council, 20 Bridport
   Rd., Thornton Heath CR4 7QG, UK)  V.1-    1968-  Volume(issue)/page/year:
   9,285,1991
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2100 mg/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: -,C223,1991
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 105 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: (33),9,1977
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 305 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: (33),9,1977
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 237 mg/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Olfaction) - effect, not otherwise
   specified
   Sense Organs and Special Senses (Eye) - effect, not otherwise specified
   Gastrointestinal - hypermotility, diarrhea
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 53(11),66,1988
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 660 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: (33),9,1977
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 64 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   28ZEAL "Pesticide Index," Frear, E.H., ed., State College, PA, College
   Science Pub., 1969  Volume(issue)/page/year: 4,170,1969
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 370 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: (33),9,1977
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
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: (33),9,1977
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : >20 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: (33),9,1977
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 4800 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: (33),9,1977
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : >2 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: (33),9,1977
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 513 mg/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Olfaction) - effect, not otherwise
   specified
   Sense Organs and Special Senses (Eye) - effect, not otherwise specified
   Gastrointestinal - hypermotility, diarrhea
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 53(11),66,1988
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Bird - quail
DOSE/DURATION           : 68400 ug/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: (33),9,1977
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 201 mg/kg/48W-I
TOXIC EFFECTS :
   Kidney, Ureter, Bladder - other changes
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - dehydrogenases
   Biochemical - Metabolism (Intermediary) - effect on mitochondrial function
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 53(11),66,1988
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 15 gm/kg/30D-I
TOXIC EFFECTS :
   Liver - changes in liver weight
   Kidney, Ureter, Bladder - changes in bladder weight
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - true cholinesterase
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 53(11),66,1988
 
                            *** END OF RECORD ***