Product Name

  • Name

    O,O,S-triethyl phosphorothioate

  • EINECS
  • CAS No. 1186-09-0
  • Article Data13
  • CAS DataBase
  • Density 1.11g/cm3
  • Solubility
  • Melting Point
  • Formula C6H15 O3 P S
  • Boiling Point 231.6°C at 760 mmHg
  • Molecular Weight 198.223
  • Flash Point 93.9°C
  • Transport Information
  • Appearance
  • Safety Poison by ingestion, intravenous, and intraperitoneal routes. When heated to decomposition it emits toxic fumes of POx and SOx.
  • Risk Codes
  • Molecular Structure Molecular Structure of 1186-09-0 (O,O,S-triethyl phosphorothioate)
  • Hazard Symbols
  • Synonyms Ethylphosphorothioate ((EtO)2(EtS)PO) (6CI); Ethyl thiophosphate ((EtO)2(EtS)PO)(5CI); O,O,S-Triethyl phosphorothioate; O,O,S-Triethyl phosphorothiolate;O,O,S-Triethyl thiophosphate; O,O-Diethyl S-ethyl phosphorothioate;Thiophosphoric acid O,O,S-triethyl ester; Triethyl phosphorothioate
  • PSA 70.64000
  • LogP 2.92060

O,O,S-Triethyl thiophosphate Chemical Properties

IUPAC Name: 1-[Ethoxy(ethylsulfanyl)phosphoryl]oxyethane
Synonyms: O,O,S-Triethyl phosphorothioate ; Phosphorothioic acid, O,O,S-triethyl ester ; Triethyl phosphorothioate ; Triethyl phosphorothionate
CAS NO:1186-09-0
Molecular Formula of O,O,S-Triethyl thiophosphate (CAS NO.1186-09-0) :C6H15O3PS
Molecular Weight of O,O,S-Triethyl thiophosphate (CAS NO.1186-09-0) :198.2203
Molecular Structure of O,O,S-Triethyl thiophosphate (CAS NO.1186-09-0) :
Index of Refraction: 1.452
Surface Tension: 34.6 dyne/cm
Density: 1.11 g/cm3
Flash Point: 93.9 °C
Enthalpy of Vaporization: 44.92 kJ/mol
Boiling Point: 231.6 °C at 760 mmHg
Vapour Pressure: 0.0938 mmHg at 25°C

O,O,S-Triethyl thiophosphate Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 58300ug/kg (58.3mg/kg)   Biochemistry. Vol. 7, Pg. 1555, 1968.
mouse LD50 intravenous 90mg/kg (90mg/kg) AUTONOMIC NERVOUS SYSTEM: OTHER (DIRECT) PARASYMPATHOMIMETIC

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS

BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)		 Developments in Toxicology and Environtal Science. Vol. 8, Pg. 631, 1980.
mouse LD50 oral 170mg/kg (170mg/kg) AUTONOMIC NERVOUS SYSTEM: OTHER (DIRECT) PARASYMPATHOMIMETIC

BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS		 Developments in Toxicology and Environtal Science. Vol. 8, Pg. 631, 1980.
rabbit LDLo skin 600uL/kg (0.6mL/kg) BEHAVIORAL: FOOD INTAKE (ANIMAL)

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

BEHAVIORAL: COMA		 National Technical Information Service. Vol. OTS0538507,
rat LD50 intraperitoneal 20mg/kg (20mg/kg) AUTONOMIC NERVOUS SYSTEM: OTHER (DIRECT) PARASYMPATHOMIMETIC

BEHAVIORAL: ANTIPSYCHOTIC

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION		 Archives of Toxicology. Vol. 51, Pg. 221, 1982.
rat LD50 intravenous 27mg/kg (27mg/kg) LUNGS, THORAX, OR RESPIRATION: DYSPNEA Fundamental and Applied Toxicology. Vol. 4, Pg. S215, 1984.
rat LD50 oral 27mg/kg (27mg/kg) AUTONOMIC NERVOUS SYSTEM: OTHER (DIRECT) PARASYMPATHOMIMETIC

BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS		 Developments in Toxicology and Environtal Science. Vol. 8, Pg. 631, 1980.

O,O,S-Triethyl thiophosphate Safety Profile

Poison by ingestion, intravenous, and intraperitoneal routes. When heated to decomposition it emits toxic fumes of POx and SOx.

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