*** 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 ***