*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : TG0700000
CHEMICAL NAME : Phosphorothioic acid, O,O-dimethyl
O-(3,5,6-trichloro-2-pyridyl) ester
CAS REGISTRY NUMBER : 5598-13-0
BEILSTEIN REFERENCE NO. : 1541078
LAST UPDATED : 199710
DATA ITEMS CITED : 20
MOLECULAR FORMULA : C7-H7-Cl3-N-O3-P-S
MOLECULAR WEIGHT : 322.53
WISWESSER LINE NOTATION : T6NJ BOPS&O1&O1 CG EG FG
COMPOUND DESCRIPTOR : Agricultural Chemical
Primary Irritant
SYNONYMS/TRADE NAMES :
* Chloropyriphos-methyl
* Chlorpyrifos-methyl
* O,O-Dimethyl O-(3,5,6-trichloro-2-pyridyl)phosphorothioate
* Dowco 214
* Dursban methyl
* ENT 27520
* M 3196
* Methyl chlorpyrifos
* Methyl chlorpyriphos
* Methyl dursban
* Noltran
* NSC 60380
* OMS-1155
* Reldan
* Reldan 50 EC
* Tumar
* Zertell
*** HEALTH HAZARD DATA ***
** SKIN/EYE IRRITATION DATA **
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 500 mg/24H
REACTION SEVERITY : Mild
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
21,369,1972
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1828 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation
Behavioral - tremor
Gastrointestinal - hypermotility, diarrhea
REFERENCE :
HOEKAN Hokkaidoritsu Eisei Kenkyushoho. Report of the Hokkaido Institute of
Public Health. (Nishi- 12-chome, Kita-19-jo, Kita-ku, Sapporo 060, Japan)
No.1- 1951- Volume(issue)/page/year: 23,57,1973
TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : >670 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:
9,168,1991
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 3713 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: 35,1315,1984
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 6900 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: 30,409,1979
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1710 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ZYYZEW Zhongguo Yaolixue Yu Dulixue Zazhi. (Chinese Pharmacological
Society, 27 Tai-Ping Road, Beijing 100850, China) V.1- 1986-
Volume(issue)/page/year: 9,57,1995
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 2032 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation
Behavioral - tremor
Gastrointestinal - hypermotility, diarrhea
REFERENCE :
HOEKAN Hokkaidoritsu Eisei Kenkyushoho. Report of the Hokkaido Institute of
Public Health. (Nishi- 12-chome, Kita-19-jo, Kita-ku, Sapporo 060, Japan)
No.1- 1951- Volume(issue)/page/year: 23,57,1973
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : >2800 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: 37,427,1986
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 2325 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:
65,144,1982
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 23800 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: 30,409,1979
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
BESAAT Bulletin of the Entomological Society of America. (Entomological
Soc. of America, 4603 Calvert Rd., College Park, MD 20740) V.1- 1955-
Volume(issue)/page/year: 15,123,1969
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 :
PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport
Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year:
9,168,1991
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 2250 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: -,C74,1991
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Bird - chicken
DOSE/DURATION : >7950 mg/kg
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:
9,168,1991
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Mammal - domestic
DOSE/DURATION : 1200 mg/kg
TOXIC EFFECTS :
Behavioral - tremor
Lungs, Thorax, or Respiration - dyspnea
Kidney, Ureter, Bladder - urine volume increased
REFERENCE :
VHTODE Veterinary and Human Toxicology. (American College of Veterinary and
Comparative Toxicology, Publication Office, Comparative Toxicology,
Manhattan, KS 66506) V.19- 1977- Volume(issue)/page/year: 31,60,1989
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Bird - wild bird species
DOSE/DURATION : 13 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
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1529 mg/kg/26W-C
TOXIC EFFECTS :
Blood - other changes
Biochemical - Enzyme inhibition, induction, or change in blood or tissue
levels - transaminases
REFERENCE :
HOEKAN Hokkaidoritsu Eisei Kenkyushoho. Report of the Hokkaido Institute of
Public Health. (Nishi- 12-chome, Kita-19-jo, Kita-ku, Sapporo 060, Japan)
No.1- 1951- Volume(issue)/page/year: 23,71,1973
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Mammal - domestic
DOSE/DURATION : 1875 mg/kg/25D-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
acute tubular necrosis)
Blood - changes in erythrocyte (RBC) count
Biochemical - Enzyme inhibition, induction, or change in blood or tissue
levels - transaminases
REFERENCE :
VHTODE Veterinary and Human Toxicology. (American College of Veterinary and
Comparative Toxicology, Publication Office, Comparative Toxicology,
Manhattan, KS 66506) V.19- 1977- Volume(issue)/page/year: 31,60,1989
*** STATUS IN U.S. ***
On EPA IRIS database
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
*** END OF RECORD ***