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Substance Name: Fonofos [ISO]
RN: 944-22-9
UNII: P4VT8081QO
InChIKey: KVGLBTYUCJYMND-UHFFFAOYSA-N

Note

  • An organothiophosphorus cholinesterase inhibitor that is used as an insecticide.

Molecular Formula

  • C10-H15-O-P-S2

Molecular Weight

  • 246.3335
 

Classification Codes

Classification Codes

  • Agricultural Chemical
  • Cholinergic Agents
  • Cholinesterase Inhibitors
  • Enzyme Inhibitors
  • Insecticide
  • Insecticides
  • Mutation Data
  • Neurotransmitter Agents
  • Pesticides

Superlist Classification Codes

  • Threshold Planning Quantity (TPQ) = 500 lb
  • TWA 0.1 mg/m3; skin; Not classifiable as a human carcinogen; BEI

Names and Synonyms

Results Name

  • Fonofos [ISO]

Name of Substance

  • Dyphonate
  • Fonofos [ISO]

MeSH Heading

  • Fonofos

Synonyms

  • (+-)-Fonofos
  • (+-)-O-Ethyl S-phenyl ethylphosphonodithioate
  • AI3-25796
  • BRN 1958949
  • Caswell No. 454B
  • Difonate
  • Difonatul
  • Doubledown
  • Dyfonate
  • Dyfonate Tillam 1-4E
  • Dyphonate
  • EINECS 213-408-0
  • ENT 25,796
  • EPA Pesticide Chemical Code 041701
  • Ethylphosphonodithioic acid O-ethyl S-phenyl ester
  • Fonofos
  • Fonophos
  • HSDB 1717
  • N-2788
  • N-2790
  • O-Aethyl-S-phenyl-aethyl-dithiophosphonat
  • O-Aethyl-S-phenyl-aethyl-dithiophosphonat [German]
  • O-Ethyl S-phenyl ethyldithiophosphonate
  • O-Ethyl S-phenyl ethylphosphonothiolothionate
  • O-Ethyl-S-phenyl ethylphosphonodithioate
  • OMS 410
  • Phosphonodithioic acid, ethyl-, O-ethyl S-phenyl ester
  • Stauffer N 2790
  • Stauffer N2790
  • UNII-P4VT8081QO

Systematic Names

  • Fonofos
  • Phosphonodithioic acid, ethyl-, O-ethyl S-phenyl ester

Superlist Names

  • Fonofos
  • Phosphonodithioic acid, ethyl-, O-ethyl S-phenyl ester

Registry Numbers

CAS Registry Number

  • 944-22-9

FDA UNII

  • P4VT8081QO

Other Registry Numbers

  • 12767-18-9
  • 66767-39-3

System Generated Number

  • 0000944229

Structure Descriptors

InChI

1S/C10H15OPS2/c1-3-11-12(13,4-2)14-10-8-6-5-7-9-10/h5-9H,3-4H2,1-2H3

InChIKey

KVGLBTYUCJYMND-UHFFFAOYSA-N

Smiles

P(=S)(Sc1ccccc1)(OCC)CC

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
bird - wild LD50 oral 10mg/kg (10mg/kg)   ASTM Special Technical Publication. Vol. (680), Pg. 157, 1979.
dog LD50 oral 3mg/kg (3mg/kg)   VM/SAC, Veterinary Medicine and Small Animal Clinician. Vol. 74, Pg. 1119, 1979.
domestic animals - goat/sheep LD50 oral 1300ug/kg (1.3mg/kg)   American Journal of Veterinary Research. Vol. 43, Pg. 1672, 1982.
guinea pig LD50 skin 278mg/kg (278mg/kg)   "Pesticide Index," Frear, E.H., ed., State College, PA, College Science Pub., 1969Vol. 5, Pg. 118, 1976.
guinea pig LD50 skin 278mg/kg (278mg/kg)   Pesticide Manual. Vol. 9, Pg. 434, 1991.
mammal (species unspecified) LD50 unreported 17mg/kg (17mg/kg)   "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971Vol. -, Pg. 385, 1971.
mouse LD50 intraperitoneal 4800ug/kg (4.8mg/kg)   Pesticide Biochemistry and Physiology. Vol. 8, Pg. 146, 1978.
mouse LD50 oral 14mg/kg (14mg/kg)   Pesticide Biochemistry and Physiology. Vol. 8, Pg. 146, 1978.
pigeon LD50 oral 13300ug/kg (13.3mg/kg)   ASTM Special Technical Publication. Vol. (680), Pg. 157, 1979.
quail LD50 oral 12mg/kg (12mg/kg) LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: ATAXIA
Ecotoxicology and Environmental Safety. Vol. 8, Pg. 551, 1984.
rabbit LD50 skin 25mg/kg (25mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C120, 1991.
rabbit LD50 skin 159mg/kg (159mg/kg)   Pesticide Manual. Vol. 9, Pg. 434, 1991.
rat LC50 inhalation 1900mg/m3/1H (1900mg/m3)   "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc of Chemistry, 1983-86Vol. A214, Pg. 1983,
rat LD50 oral 3mg/kg (3mg/kg)   World Review of Pest Control. Vol. 9, Pg. 119, 1970.
rat LD50 oral 10800ug/kg (10.8mg/kg)   Pesticide Manual. Vol. 9, Pg. 434, 1991.
rat LD50 skin 147mg/kg (147mg/kg)   World Review of Pest Control. Vol. 9, Pg. 119, 1970.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point < 25 deg C   EXP
log P (octanol-water) 3.94 (none)   EXP
Water Solubility 15.7 mg/L 20 EXP
Vapor Pressure 3.38E-04 mm Hg 25 EXP
Henry's Law Constant 6.98E-06 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 8.88E-11 cm3/molecule-sec 25 EST

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