Ecological Assessment of Storm Impacts

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Data Collection

Tribufos

CAS Number: 78-48-8

Basic Information

The chemical structure of Tribufos Synonym(s): Ortho phosphate defoliant; Butyl phosphorotrithioate; DEF; Deleaf defoliant; Phosphorotrithioic acid S,S,S-tributyl ester; Tributylphosphorotrithioate
Formula: C12H27OPS3
 Molecular Weight: 314.498
 Boiling Point (°C): 150 (.3mm Hg)
 Contaminant Type: Tribufos is a contaminant with other or multiple types of use.
Notes: It is a defoliant

Solubility (in water)

  • Solubility: 2.3 mg/l c
    Temperature (°C): 20

Toxicity Effects

  • Organism Type: Crustaceans e
    Scientific Name: Gammarus lacustris
     Toxicity: 100 µg/l
     Test: 96h LC50
  • Organism Type: Fish e
    Common Name: Inland silverside, tidewater silverside
     Scientific Name: Menidia beryllina
     Toxicity: 455 µg/l
     Test: 96h LC50
  • Organism Type: Fish e
    Common Name: Inland silverside, tidewater silverside
     Scientific Name: Menidia beryllina
     Toxicity: <0.34 µg/l
     Test: MATC Life Cycle
  • Organism Type: Mammals c
    Common Name: Rat
     Scientific Name: Muridae (Family)
     Gender: Male
     Toxicity: 570 mg/kg
     Test: LD50
     Formulation: Def 6
  • Organism Type: Mammals c
    Common Name: Rat
     Scientific Name: Muridae (Family)
     Gender: Female
     Toxicity: 349 mg/kg
     Test: LD50
     Formulation: Def 6

Resource Map: Click below to open in a new window to view or print.
Potential applications of this contaminant in the St. Johns Water River Management District

Work Cited

c C&P Press. 2002. EPR Professional Annual CD. Crop Protection Reference. Chemical and Pharmacuetical Press, Inc., New York, NY.
e Verschueren, K. 1996. Handbook of Environmental Data on Organic Chemicals, 3rd edition. John Wiley & Sons, Inc., New York.