Ecological Assessment of Storm Impacts

Data Collection

Isofenphos

Basic Information

Synonym(s): 2-[[Ethoxyl[(1-methylethyl)amino]phosphinothioyl]oxy]benzoic acid 1-methylethyl ester; Amaze; Isofenphos; Isophenphos; 1-methylethyl 2-((ethoxy((1-methylethyl)amino)phosphinothioyl)oxy)benzoate; Isopropyl salicylate O-ester with O-ethyl isopropylphosphora
Formula: C₁₅H₂₄NO₄PS
Molecular Weight: 345.4
Melting Point (°C): -12
Contaminant Type: Isofenphos is an insecticide.
Notes: Yellow brown liquid; soluble in acetone, kerosene

Solubility (in water)

• Solubility: 24 mg/l ^h
  Temperature (°C): 20
  

Half-Life (in soil unless otherwise noted)

• t1/2: 30-300 days ^h
  

Toxicity Effects

• Organism Type: Fish ^h
  Common Name: Goldfish
  Scientific Name: Carassius auratus
  Toxicity: 2 mg/l
  Test: 96h LC50
  

• Organism Type: Fish ^h
  Common Name: Carp
  Scientific Name: Cyprinus carpio
  Toxicity: 2 - 4 mg/l
  Test: 96h LC50
  

• Organism Type: Fish ^h
  Common Name: Orfe
  Scientific Name: Idus idus, or Leuciscus idus
  Toxicity: 1 - 2 mg/l
  Test: 96h LC50
  

• Organism Type: Fish ^h
  Common Name: Pearl roach, rudd
  Scientific Name: Scardinius erythrophthalmus
  Toxicity: 1 mg/l
  Test: 96h LC50
  

• Organism Type: Mammals ^h
  Common Name: Rat
  Scientific Name: Muridae (Family)
  Toxicity: 28 - 38 mg/kg
  Test: LD50
  

• Organism Type: Mammals ^h
  Common Name: Mouse
  Scientific Name: Muridae (Family)
  Toxicity: 91.3 - 127 mg/kg
  Test: LD50
  

Soil Organic Carbon/Water Partition Coefficients

• Koc: 613 ml/g ^k
  Formulation: sandy loam
  pH Value: 2.5
  

• Koc: 538 ml/g ^k
  Formulation: silty loam
  pH Value: 2.6
  

• Koc: "2.73, 2.79" ^k
  Formulation: log
  

Octanol-Water Partition Coefficients

• Log Kow: "3.30, 4.12" ^k
  

Work Cited