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Substance Name: Demeton [BSI]
RN: 8065-48-3
UNII: F74QXK6K3Q
InChIKey: FAXIJTUDSBIMHY-UHFFFAOYSA-N

Molecular Formula

  • C8-H19-O3-P-S2.C8-H19-O3-P-S2

Molecular Weight

  • 516.6822
 

Classification Codes

Classification Codes

  • Acaricide
  • Agricultural Chemical
  • Avicide
  • Human Data
  • Insecticide
  • Mutation Data
  • Reproductive Effect

Superlist Classification Codes

  • Threshold Planning Quantity (TPQ) = 500 lb
  • TWA (0.05 mg/m, vapor and aerosol, inhalable fraction); skin; BEI
  • TWA 0.1 mg/m3; skin
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Names and Synonyms

Results Name

  • Demeton [BSI]

Name of Substance

  • Demeton
  • Demeton [BSI]
  • Demox
  • Systox

Synonyms

  • BAY 10756
  • Bayer 8169
  • beta-Ethylmercaptoethyl diethyl thionophosphate
  • Caswell No. 279
  • CCRIS 918
  • Demeton
  • Demox
  • Diethoxythiophosphoric acid ester of 2-ethylmercaptoethanol
  • E 1059
  • ENT 17,295
  • EPA Pesticide Chemical Code 057601
  • Ethyl systox
  • HSDB 201
  • Mercaptofos
  • Mercaptophos
  • O,O-Diethyl 2-ethylmercaptoethyl thiophosphate
  • O,O-Diethyl O(and S)-2-(ethylthio)ethyl phosphorothioate mixture
  • Septox
  • Systemox
  • Systox
  • UNII-F74QXK6K3Q

Systematic Names

  • Demeton
  • Phosphorothioic acid, O,O-diethyl O-(2-(ethylthio)ethyl) ester, mixed with O,O-diethyl S-(2-(ethylthio)ethyl) phosphorothioate (7:3)
  • Phosphorothioic acid, O,O-diethyl O-(2-(ethylthio)ethyl) ester, mixt. with O,O-diethyl S-(2-(ethylthio)ethyl) phosphorothioate

Superlist Names

  • Demeton
  • Phosphorothioic acid, O,O-diethyl O-(2-(ethylthio)ethyl) ester, mixt. with O,O-diethyl S-(2-(ethylthio)ethyl) phosphorothioate
  • Systox

Registry Numbers

CAS Registry Number

  • 8065-48-3

FDA UNII

  • F74QXK6K3Q

Other Registry Numbers

  • 34624-53-8
  • 8000-97-3
  • 8058-73-9

System Generated Number

  • 0008065483

Molecular Formulas

Molecular Formula

  • C8-H19-O3-P-S2.C8-H19-O3-P-S2

Molecular Formula Fragments

  • C8-H19-O3-P-S2
  • COMPONENT

Structure Descriptors

InChI

1S/2C8H19O3PS2/c1-4-10-12(9,11-5-2)14-8-7-13-6-3;1-4-9-12(13,10-5-2)11-7-8-14-6-3/h2*4-8H2,1-3H3

InChIKey

FAXIJTUDSBIMHY-UHFFFAOYSA-N

Smiles

P(=O)(OCC)(OCC)SCCSCC.P(=S)(OCC)(OCC)OCCSCC

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
bird - wild LD50 oral 1780ug/kg (1.78mg/kg)   ASTM Special Technical Publication. Vol. (680), Pg. 157, 1979.
bird - wild LD50 skin 1800ug/kg (1.8mg/kg)   Toxicology and Applied Pharmacology. Vol. 26, Pg. 154, 1973.
cat LCLo inhalation 15mg/m3/4H (15mg/m3)   "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 52, 1982.
cat LD50 intramuscular 3900ug/kg (3.9mg/kg) LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: TREMOR

GASTROINTESTINAL: NAUSEA OR VOMITING
"Gigiena i Toksikologiya Novykh Pestitsidov i Klinika Otravlenii, Doklady Vsesoyuznoi Konferentsii, 2nd, 1962," Hygiene and Toxicology of New Pesticides and Clinical Aspects of Poisoning, Medved, L.I., et al., eds., Komiteta Po Izucheniiu i Reglamenta-tsii Indokhimikato Glavnoi Gosudarstvennoi Sanitarnoi Inspectsii USSR, 1962Vol. -, Pg. 220, 1962.
dog LD50 intramuscular 3650ug/kg (3.65mg/kg) LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: TREMOR

GASTROINTESTINAL: NAUSEA OR VOMITING
"Gigiena i Toksikologiya Novykh Pestitsidov i Klinika Otravlenii, Doklady Vsesoyuznoi Konferentsii, 2nd, 1962," Hygiene and Toxicology of New Pesticides and Clinical Aspects of Poisoning, Medved, L.I., et al., eds., Komiteta Po Izucheniiu i Reglamenta-tsii Indokhimikato Glavnoi Gosudarstvennoi Sanitarnoi Inspectsii USSR, 1962Vol. -, Pg. 220, 1962.
duck LD50 oral 7190ug/kg (7.19mg/kg)   Toxicology and Applied Pharmacology. Vol. 47, Pg. 451, 1979.
human LDLo oral 171ug/kg (0.171mg/kg)   "Clinical Memoranda on Economic Poisons," U.S. Dept. HEW, Public Health Service, Communicable Disease Center, Atlanta, GA, 1956Vol. -, Pg. 1, 1956.
man TDLo oral 144mg/kg/24D- (144mg/kg)   Toxicology and Applied Pharmacology. Vol. 14, Pg. 603, 1969.
mouse LD50 intraperitoneal 4mg/kg (4mg/kg)   Proceedings of the Society for Experimental Biology and Medicine. Vol. 129, Pg. 699, 1968.
mouse LD50 intravenous 3900ug/kg (3.9mg/kg)   Bratislavske Lekarske Listy. Vol. 38, Pg. 151, 1958.
mouse LD50 oral 7850ug/kg (7.85mg/kg)   Bratislavske Lekarske Listy. Vol. 38, Pg. 151, 1958.
mouse LD50 subcutaneous 15mg/kg (15mg/kg)   Annales Pharmaceutiques Francaises. Vol. 11, Pg. 286, 1953.
pigeon LD50 oral 8480ug/kg (8.48mg/kg)   Toxicology and Applied Pharmacology. Vol. 20, Pg. 57, 1971.
quail LD50 oral 8480ug/kg (8.48mg/kg)   Toxicology and Applied Pharmacology. Vol. 20, Pg. 57, 1971.
rabbit LD50 intraperitoneal 3250ug/kg (3.25mg/kg)   Bratislavske Lekarske Listy. Vol. 38, Pg. 151, 1958.
rabbit LD50 oral 5mg/kg (5mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 27(8), Pg. 97, 1962.
rabbit LD50 skin 24mg/kg (24mg/kg)   Special Publication of the Entomological Society of America. Vol. 78-1, Pg. 28, 1978.
rabbit LD50 subcutaneous 24mg/kg (24mg/kg)   Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974Vol. 17JUN1974,
rat LCLo inhalation 15mg/m3/4H (15mg/m3)   "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 52, 1982.
rat LD50 intraperitoneal 2500ug/kg (2.5mg/kg)   Advances in Pest Control Research. Vol. 4, Pg. 117, 1961.
rat LD50 intravenous 1750ug/kg (1.75mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: ATAXIA

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"
Bratislavske Lekarske Listy. Vol. 38, Pg. 151, 1958.
rat LD50 oral 1700ug/kg (1.7mg/kg)   Toxicology and Applied Pharmacology. Vol. 21, Pg. 315, 1972.
rat LD50 skin 8200ug/kg (8.2mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: EXCITEMENT

BEHAVIORAL: TREMOR
Toxicology and Applied Pharmacology. Vol. 2, Pg. 88, 1960.
rat LDLo intramuscular 3mg/kg (3mg/kg) GASTROINTESTINAL: NAUSEA OR VOMITING

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

BEHAVIORAL: TREMOR
"Gigiena i Toksikologiya Novykh Pestitsidov i Klinika Otravlenii, Doklady Vsesoyuznoi Konferentsii, 2nd, 1962," Hygiene and Toxicology of New Pesticides and Clinical Aspects of Poisoning, Medved, L.I., et al., eds., Komiteta Po Izucheniiu i Reglamenta-tsii Indokhimikato Glavnoi Gosudarstvennoi Sanitarnoi Inspectsii USSR, 1962Vol. -, Pg. 220, 1962.

Physical Properties

Physical Property Value Units Temp (deg C) Source
log P (octanol-water) 3.210 (none)   EST
Water Solubility 666 mg/L 25 EXP
Vapor Pressure 1.30E-03 mm Hg 25 EST
Henry's Law Constant 3.82E-06 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 1.33E-10 cm3/molecule-sec 25 EST

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