Ecological Assessment of Storm Impacts

Data Collection

Ethylene Oxide

Basic Information

Synonym(s): 1,2-epoxyethane; Alpha,beta-oxidoethane; amprolene; anprolene; anproline; Dihydrooxirene; dimethylene oxide; E.O.; Epoxyethane; Ethene oxide; Ethox; Ethylene Oxide; Ethylene Oxide ; ETO; fema no. 2433; merpol; oxacyclopropane; Oxane; oxidoethane; oxirane;
Formula: C₂H₄O
Molecular Weight: 44.05
Boiling Point (°C): 10.7
Melting Point (°C): -111.3
Contaminant Type: Ethylene Oxide is an insecticide.
Notes: Colorless liquid or gas with an ether-like odor detectable at 257 to 690 ppm; irritating at high concentrations.

Solubility (in water)

• Solubility: miscible ^e
  

Half-Life (in soil unless otherwise noted)

• t1/2: 10.5-11.9 days ^f
  Environment: Scientific judgement based upon hydrolysis half-lives at pH 7 and 9 (high t 1/2) and ph 5 (low t 1/2)
  

Toxicity Effects

• Organism Type: Crustaceans ^e
  Scientific Name: Artemia salina
  Toxicity: 350-570 mg/l
  Test: 24h LC50
  

• Organism Type: Crustaceans ^e
  Scientific Name: Artemia salina
  Toxicity: 490-1000 mg/l
  Test: 48h LC50
  

• Organism Type: Crustaceans ^e
  Common Name: Daphnia
  Scientific Name: Daphnia magna
  Toxicity: 260-300 mg/l
  Test: 24h LC50
  

• Organism Type: Crustaceans ^e
  Common Name: Daphnia
  Scientific Name: Daphnia magna
  Toxicity: 137-300 mg/l
  Test: 48h LC50
  

• Organism Type: Fish ^e
  Common Name: Goldfish
  Scientific Name: Carassius auratus
  Toxicity: 90 mg/l
  Test: 24h LC50
  

• Organism Type: Fish ^e
  Common Name: Fathead minnow
  Scientific Name: Pimephales promelas
  Toxicity: 84 mg/l
  Test: 96h LC50
  

Octanol-Water Partition Coefficients

• Log Kow: -0.52 ^e
  Formulation: calculated - not log
  

• Log Kow: -0.3 ^e
  Formulation: experimental - not log
  

Work Cited