Skip Navigation
ChemIDplus A TOXNET DATABASE LiteBrowseAdvanced

Substance Name: Oxydemeton-methyl [BSI:ISO]
RN: 301-12-2
UNII: E2031449YZ
InChIKey: PMCVMORKVPSKHZ-UHFFFAOYSA-N

Classification Codes

  • Acaricide
  • Agricultural Chemical
  • Insecticide
  • Insecticides
  • Mutation Data
  • Pesticides

Molecular Formula

  • C6-H15-O4-P-S2

Molecular Weight

  • 246.2865
 

Names and Synonyms

Results Name

  • Oxydemeton-methyl [BSI:ISO]

Name of Substance

  • Methyl demeton
  • Oxydemeton-methyl
  • Oxydemeton-methyl [BSI:ISO]

Synonyms

  • 4-01-00-02464 (Beilstein Handbook Reference)
  • AI3-24964
  • Aimco systox
  • BAY 21097
  • Bayer 21097
  • BRN 1711268
  • Caswell No. 455
  • CCRIS 4667
  • Demeton-methyl sulphoxide
  • Demeton-S methyl sulfoxide
  • Demeton-S-methyl sulfoxid
  • Demeton-S-methyl sulfoxid [German]
  • Demeton-S-methyl sulfoxide
  • Demeton-S-methyl-sulfoxid
  • Demeton-S-methyl-sulfoxid [German]
  • Dimethyl S-(2-eththionylethyl) thiophosphate
  • EINECS 206-110-7
  • ENT 24,964
  • EPA Pesticide Chemical Code 058702
  • Ethanethiol, 2-(ethylsulfinyl)-, S-ester with O,O-dimethyl phosphorothioate
  • HSDB 1718
  • Isomethylsystox sulfoxide
  • Metaisosystox sulfoxide
  • Metaisosystoxsulfoxide
  • Metasystemox
  • Metasystemox R
  • Metasystox-R
  • Metasytox R
  • Methyl oxydemeton S
  • Metilmercaptofosoksid
  • Metilmercaptofosoksid (USSR)
  • NSC 370785
  • O,O-Dimethyl S-(2-(ethylsufinyl)ethyl) thiophosphate
  • O,O-Dimethyl S-(2-(ethylsulfinyl)ethyl) monothiophosphate
  • O,O-Dimethyl S-(2-(ethylsulfinyl)ethyl) phosphorothioate
  • O,O-Dimethyl S-(2-eththionylethyl) phosphorothioate
  • O,O-Dimethyl S-(2-ethylsulfinyl)ethyl thiophosphate
  • O,O-Dimethyl S-ethylsulphinylethyl phosphorothiolate
  • O,O-Dimethyl-S-(2-aethylsulfinyl-aethyl)-thiolphosphat
  • O,O-Dimethyl-S-(2-aethylsulfinyl-aethyl)-thiolphosphat [German]
  • O,O-Dimethyl-S-(2-ethylsulfinyl-ethyl)-monothiofosfaat
  • O,O-Dimethyl-S-(2-ethylsulfinyl-ethyl)-monothiofosfaat [Dutch]
  • O,O-Dimethyl-S-(3-oxo-3-thia-pentyl)-monothiophosphat
  • O,O-Dimethyl-S-(3-oxo-3-thia-pentyl)-monothiophosphat [German]
  • O,O-Dimetil-S-(2-etil-solfinil-etil)-monotiofosfato
  • O,O-Dimetil-S-(2-etil-solfinil-etil)-monotiofosfato [Italian]
  • Oxydemeton-methyl
  • Oxydemeton-metile
  • Oxydemeton-metile [Italian]
  • Oxydemetonmethyl
  • Phosphorothioic acid, O,O-dimethyl S-(2-(ethylsulfinyl)ethyl) ester
  • Phosphorothioic acid, S-(2-(ethylsulfinyl)ethyl) O,O-dimethyl ester
  • R 2170
  • S-(2-(Ethylsulfinyl)ethyl) O,O-dimethl phosphorothioate
  • S-(2-(Ethylsulfinyl)ethyl) O,O-dimethyl phosphorothioate
  • S-2-Ethylsulphinylethyl O,O-dimethyl phosphorothioate
  • Thiophosphate de O,O-dimethyle et de S-2-ethylsulfinylethyle
  • Thiophosphate de O,O-dimethyle et de S-2-ethylsulfinylethyle [French]
  • UNII-E2031449YZ

Systematic Names

  • Metasystox-R
  • Oxydemeton-methyl
  • Phosphorothioic acid, S-(2-(ethylsulfinyl)ethyl) O,O-dimethyl ester

Superlist Names

  • Oxydemeton methyl
  • Oxydemeton-methyl
  • Phosphorothioic acid, S-(2-(ethylsulfinyl)ethyl) O,O-dimethyl ester
  • S-(2-(Ethylsulfinyl)ethyl) O,O-dimethyl ester phosphorothioic acid

Registry Numbers

CAS Registry Number

  • 301-12-2

FDA UNII

  • E2031449YZ

System Generated Number

  • 0000301122

Structure Descriptors

InChI

1S/C6H15O4PS2/c1-4-13(8)6-5-12-11(7,9-2)10-3/h4-6H2,1-3H3

InChIKey

PMCVMORKVPSKHZ-UHFFFAOYSA-N

Smiles

CCS(=O)CCSP(=O)(OC)OC

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
bird - wild LD50 oral 42mg/kg (42mg/kg)   Toxicology and Applied Pharmacology. Vol. 20, Pg. 57, 1971.
chicken LD50 oral 80mg/kg (80mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)
Toxicology and Applied Pharmacology. Vol. 6, Pg. 147, 1964.
duck LD50 oral 54mg/kg (54mg/kg)   Toxicology and Applied Pharmacology. Vol. 20, Pg. 57, 1971.
guinea pig LD50 intraperitoneal 30mg/kg (30mg/kg)   Toxicology and Applied Pharmacology. Vol. 4, Pg. 621, 1962.
guinea pig LD50 oral 120mg/kg (120mg/kg)   Pesticide Chemicals Official Compendium, Association of the American Pesticide Control Officials, Inc., 1966. Vol. -, Pg. 721, 1966.
mouse LD50 intraperitoneal 8mg/kg (8mg/kg)   Toxicology and Applied Pharmacology. Vol. 4, Pg. 621, 1962.
mouse LD50 oral 10mg/kg (10mg/kg)   "Organophosphorus Pesticides: Organic and Biological Chemistry," Eto, M., Cleveland, OH, CRC Press, Inc., 1974Vol. -, Pg. 197, 1974.
pigeon LD50 oral 15mg/kg (15mg/kg)   Toxicology and Applied Pharmacology. Vol. 20, Pg. 57, 1971.
quail LD50 oral 84mg/kg (84mg/kg)   Toxicology and Applied Pharmacology. Vol. 20, Pg. 57, 1971.
rat LC50 inhalation 1500mg/m3/1H (1500mg/m3)   "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc of Chemistry, 1983-86Vol. A309, Pg. 1983,
rat LD50 intraperitoneal 20mg/kg (20mg/kg)   Guide to the Chemicals Used in Crop Protection. Vol. 6, Pg. 385, 1973.
rat LD50 intravenous 47mg/kg (47mg/kg) BEHAVIORAL: GENERAL ANESTHETIC Biochemical Journal. Vol. 67, Pg. 187, 1957.
rat LD50 oral 30mg/kg (30mg/kg)   Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 234, Pg. 352, 1958.
rat LD50 skin 100mg/kg (100mg/kg)   World Review of Pest Control. Vol. 9, Pg. 119, 1970.
rat LD50 unreported 65mg/kg (65mg/kg)   "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971Vol. -, Pg. 348, 1971.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point -2.00E+01 deg C   EXP
log P (octanol-water) -0.74 (none)   EXP
Water Solubility 1.00E+06 mg/L   EXP
Vapor Pressure 2.85E-05 mm Hg 20 EXP
Henry's Law Constant 1.62E-13 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 1.06E-10 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.