Product Name

  • Name

    CHLORETHOXYFOS

  • EINECS
  • CAS No. 54593-83-8
  • Density 1.495g/cm3
  • Solubility 2.1 mg l-1 (25 °C)
  • Melting Point
  • Formula C6H11 Cl4 O3 P S
  • Boiling Point 288.2°C at 760 mmHg
  • Molecular Weight 336.003
  • Flash Point 128.1°C
  • Transport Information
  • Appearance
  • Safety A poison by inhalation, skin contact, and possibly other routes. When heated to decomposition it emits toxic vapors of POx, SOx, and Cl.
  • Risk Codes
  • Molecular Structure Molecular Structure of 54593-83-8 (CHLORETHOXYFOS)
  • Hazard Symbols
  • Synonyms Chlorethoxyfos;Chlorethoxyphos; Chloretoxyphos; DPX 43898; Fortress; O,O-Diethyl O-(1,2,2,2-tetrachloroethyl)thionophosphate; SD 208304
  • PSA 69.59000
  • LogP 4.88620

Fortress Chemical Properties


IUPAC Name: Diethoxy-sulfanylidene-(1,2,2,2-tetrachloroethoxy)-$l^{5}-phosphane
Molecular Formula: C6H11Cl4O3PS
Molecular Weight: 336.0005 g/mol 
Surface Tension: 47.4 dyne/cm 
Index of Refraction: 1.522   
Molar Refractivity: 68.53 cm3
Molar Volume: 224.6 cm3 
Density: 1.495 g/cm
Flash Point: 128.1°C 
Enthalpy of Vaporization: 50.63 kJ/mol 
Boiling Point:  88.2°C at 760 mmHg 
Vapour Pressure: 0.0041 mmHg at 25 °C 
Classification code of Fortress (CAS NO.54593-83-8 ): agricultural chemical; insecticide.

Fortress Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
chicken LD50 oral 14mg/kg (14mg/kg) BEHAVIORAL: TREMOR

BEHAVIORAL: ATAXIA

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS
National Technical Information Service. Vol. OTS0530328,
rabbit LD50 skin 12500ug/kg (12.5mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C146, 1991.
rat LC50 inhalation 400ppb (0.4ppm)   Farm Chemicals Handbook. Vol. -, Pg. C146, 1991.
rat LD50 oral 2mg/kg (2mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: FOOD INTAKE (ANIMAL)

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS
National Technical Information Service. Vol. OTS0536238,
rat LD50 unreported 1800ug/kg (1.8mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C146, 1991.

Fortress Safety Profile

A poison by inhalation, skin contact, and possibly other routes. When heated to decomposition it emits toxic vapors of POx, SOx, and Cl.
RIDADR: 2783
HazardClass: 6.1(a)
PackingGroup: I

Fortress Specification

 Fortress (CAS NO.54593-83-8), its Synonyms are Chlorethoxyphos ; Chloroethoxyfos ; O,O-Diethyl O-(1,2,2,2-tetrachloroethyl) phosphorothioate ; Chlorethoxyfos .

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