Ecological Assessment of Storm Impacts

Data Collection

4-Chlorophenoxyacetic Acid

Basic Information

Synonym(s): 2-(4-chloro-phenoxy)acetic acid; 4-Chlorophenoxyacetic Acid; 4-CPA; CPA; Marks 4-CPA; Sure-set; Tomato fix; Tomato hold; Tomatotone
Formula: C₈H₇ClO₃
Molecular Weight: 186.59
Melting Point (°C): 157 - 159
Contaminant Type: 4-Chlorophenoxyacetic Acid is an herbicide.

Solubility (in water)

• Solubility: miscible ^e
  

Half-Life (in soil unless otherwise noted)

• t1/2: 20 days ^e
  Environment: clay loam soil
  

Toxicity Effects

• Organism Type: Fish ^e
  Common Name: Goldfish
  Scientific Name: Carassius auratus
  Toxicity: 5 mg/l
  Test: 24h LC0
  

• Organism Type: Fish ^e
  Common Name: Bluegill
  Scientific Name: Lepomis macrochirus
  Toxicity: 5 mg/l
  Test: 24h LC0
  

• Organism Type: Fish ^e
  Common Name: Yellow perch
  Scientific Name: Perca flavescens
  Toxicity: 5 mg/l
  Test: 24h LC0
  

• Organism Type: Fish ^e
  Common Name: Brown trout
  Scientific Name: Salmo trutta
  Toxicity: 5 mg/l
  Test: 24h LC0
  

• Organism Type: Fish ^e
  Common Name: Brown trout
  Scientific Name: Salmo trutta
  Toxicity: 147 mg/l
  Test: 24h LC50
  

• Organism Type: Mammals ^e
  Common Name: Rat
  Scientific Name: Muridae (Family)
  Toxicity: 850 mg/kg bw
  Test: LD50
  

Octanol-Water Partition Coefficients

• Log Kow: 1.99 ^e
  

Work Cited