Ecological Assessment of Storm Impacts

Overview > Data Collection

Data Collection

Metalaxyl

CAS Number: 57837-19-1

Basic Information

The chemical structure of Metalaxyl Synonym(s): Apron; Apron 25 WP; Apron 2E; Fubol; Methyl N-(2,6-dimethyl-phenyl)-N-(2'-methoxyacetyl)-DL-alaninate; methyl N-(2,6-dimethylphenyl)-N-(methoxyacetyl)-DL-alanine; Metalaxil;
Formula: C15H21NO4
 Molecular Weight: 279.34
 Melting Point (°C): 71.8 - 72.3
 Contaminant Type: Metalaxyl is a fungicide.
Notes: White crystals

Solubility (in water)

  • Solubility: 7100 mg/l g
    Temperature (°C): 20

Half-Life (in soil unless otherwise noted)

  • t1/2: 1-8 weeks b

Toxicity Effects

  • Organism Type: Crustaceans b
    Common Name: Crustaceans
     Toxicity: 0.64-32 mg/l
     Test: 96h LC50
  • Organism Type: Mammals g
    Common Name: Rat
     Scientific Name: Muridae (Family)
     Toxicity: 669 mg/kg
     Test: LD50
  • Organism Type: Molluscs b
    Common Name: Molluscs
     Toxicity: 0.6-11 mg/l
     Test: EC50

Octanol-Water Partition Coefficients

  • Log Kow: 1.65 p

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

b AQUIRE (AQUatic toxicity Information REtrieval) database (As part of the ECOTOX Database). Pages retreived February, 2003 from http://www.epa.gov/ecotox/. USEPA, Washington, DC.
g Meister, R. T., and C. Sine (Ed). 2003. Crop Protection Handbook, volume 89. Meister Publishing Company, Willoughby, OH.
p Syracuse Research Corporation Databases. Pages retrieved November, 2003 from: http://esc.syrres.com. Syracuse Research Corporation, North Syracuse, NY.