*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : TF7900000
CHEMICAL NAME : Phosphorothioic acid, O,O-dimethyl ester, S-ester
with 2-((2-mercaptoethyl)thio)-N- methylpropionamide
CAS REGISTRY NUMBER : 2275-23-2
BEILSTEIN REFERENCE NO. : 2651123
LAST UPDATED : 199801
DATA ITEMS CITED : 25
MOLECULAR FORMULA : C8-H18-N-O4-P-S2
MOLECULAR WEIGHT : 287.36
WISWESSER LINE NOTATION : 1OPO&O1&S2SY1&VM1
COMPOUND DESCRIPTOR : Agricultural Chemical
Mutagen
SYNONYMS/TRADE NAMES :
* American cyanamid-43073
* O,O-Dimethyl S-2-(1-N-methylcarbamoylethylmercapto)ethyl thiophosphate
* O,O-Dimethyl S-(2-(1-methylcarbamoylethylthio)ethyl) phosphorothioate
* Dimethyl S-(2-(1-methylcarbamoylethylthio)ethyl) phosphorothiolate
* ENT 26,613
* Kilval
* N-Methyl O,O-dimethylthiolophosphoryl-5-thia-3-methyl-2-valeramide
* N-Methyl-3-thia-2-methyl-valeramid der O,O-dimethylthiolphosphorsaeure
* NPH 83
* RP-9895
* R.P. 10,465
* Trucidor
* Vamidoate
* Vamidothion
*** 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 : 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: 5,233,1976
TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1730 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:
9,856,1991
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 64 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
30ZDA9 "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag
New York, Inc., 1971 Volume(issue)/page/year: -,349,1971
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 40 mg/kg
TOXIC EFFECTS :
Behavioral - tremor
Behavioral - convulsions or effect on seizure threshold
Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
MZUZA8 Meditsinskii Zhurnal Uzbekistana. (V/O Mezhdunarodnaya Kniga, 113095
Moscow, USSR) No.1- 1957- Volume(issue)/page/year: (8),65,1972
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1460 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 : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 43 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
30ZDA9 "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag
New York, Inc., 1971 Volume(issue)/page/year: -,349,1971
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : 110 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GUCHAZ Guide to the Chemicals Used in Crop Protection. (Information Canada,
171 Slater St., Ottawa, Ont., Canada) Volume(issue)/page/year: 6,530,1973
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Mammal - cat
DOSE/DURATION : 117 mg/kg
TOXIC EFFECTS :
Behavioral - ataxia
Behavioral - coma
Kidney, Ureter, Bladder - urine volume increased
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 41(3),107,1976
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 160 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and
Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
V.1-36, 1957-1992. For publisher information, see MTPEEI
Volume(issue)/page/year: 14(2),58,1970
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 1160 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
WRPCA2 World Review of Pest Control. (London, UK) V.1-10, 1962-71.
Discontinued. Volume(issue)/page/year: 9,119,1970
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 85 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GUCHAZ Guide to the Chemicals Used in Crop Protection. (Information Canada,
171 Slater St., Ottawa, Ont., Canada) Volume(issue)/page/year: 6,530,1973
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 85 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
30ZDA9 "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag
New York, Inc., 1971 Volume(issue)/page/year: -,349,1971
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Bird - wild bird species
DOSE/DURATION : 35 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:
9,856,1991
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 678 mg/kg/17W-I
TOXIC EFFECTS :
Nutritional and Gross Metabolic - weight loss or decreased weight gain
Biochemical - Enzyme inhibition, induction, or change in blood or tissue
levels - true cholinesterase
Related to Chronic Data - death
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and
Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
V.1-36, 1957-1992. For publisher information, see MTPEEI
Volume(issue)/page/year: 14(2),58,1970
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 375 mg/kg/1Y-I
TOXIC EFFECTS :
Endocrine - changes in adrenal weight
Blood - normocytic anemia
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: 41(3),107,1976
TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1020 ug/m3/24/22W-C
TOXIC EFFECTS :
Kidney, Ureter, Bladder - other changes in urine composition
Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
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: 30(5),11,1965
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 420 mg/kg/15W-I
TOXIC EFFECTS :
Brain and Coverings - changes in circulation (hemorrhage, thrombosis, etc.)
Liver - hepatitis (hepatocellular necrosis), diffuse
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
MZUZA8 Meditsinskii Zhurnal Uzbekistana. (V/O Mezhdunarodnaya Kniga, 113095
Moscow, USSR) No.1- 1957- Volume(issue)/page/year: (8),65,1972
** MUTATION DATA **
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 25 pph
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 40,19,1976
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Escherichia coli
DOSE/DURATION : 25 pph
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 40,19,1976
TYPE OF TEST : DNA repair
TEST SYSTEM : Bacteria - Bacillus subtilis
DOSE/DURATION : 25 pph
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 40,19,1976
TYPE OF TEST : Cytogenetic analysis
TEST SYSTEM : Rodent - hamster Lung
DOSE/DURATION : 5 mmol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 78,177,1980
TYPE OF TEST : Sister chromatid exchange
TEST SYSTEM : Rodent - hamster Lung
DOSE/DURATION : 1 mmol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 78,177,1980
*** REVIEWS ***
TOXICOLOGY REVIEW
RREVAH Residue Reviews. (Springer-Verlag New York, Inc., Service Center, 44
Hartz Way, Secaucus, NJ 07094) V.1- 1962- Volume(issue)/page/year:
63,1,1976
*** STATUS IN U.S. ***
EPA GENETOX PROGRAM 1988, Positive: B subtilis rec assay; Histidine
reversion-Ames test
EPA GENETOX PROGRAM 1988, Positive: TRP reversion
*** END OF RECORD ***