Ecological Assessment of Storm Impacts

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Aldicarb

CAS Number: 116-06-3

Basic Information

The chemical structure of Aldicarb Synonym(s): 2-Methyl-2-(methylthio)propanal O-[(methylamino)carbonyl]oxime; 2-methyl-2-(methylthio)propionaldehyde O-(methylcarbamoyl)oxime; Aldicarb+
Formula: C7H14N2O2S
 Molecular Weight: 190.26
 Melting Point (°C): 99
 Contaminant Type: Aldicarb is an insecticide.
Notes: Systemic insecticide, acaricide, and nematocide for soil use. White crystalline solid

Solubility (in water)

  • Solubility: 0.6 % g
    Temperature (°C): 25
  • Solubility: 6000 mg/l e
    Temperature (°C): 25

Half-Life (in soil unless otherwise noted)

  • t1/2: 7 days e
    Environment: Loam soil
  • t1/2: 20-361 days f
    Environment: Based upon unacclimated aerobic soil grab sample
  • t1/2: ~8 months e
    Environment: Saturated zone

Toxicity Effects

  • Organism Type: Crustaceans c
    Common Name: Daphnia
     Scientific Name: Daphnia magna
     Toxicity: 410.7 µg/l
     Test: 48h EC50
     Formulation: Temik 15G CP Aldicarb
  • Organism Type: Fish c
    Common Name: Bluegill
     Scientific Name: Lepomis macrochirus
     Toxicity: 0.1 mg/l
     Test: 96h LC50
    Formulation: Temik 15G CP Aldicarb
  • Organism Type: Fish g
    Common Name: Bluegill
     Scientific Name: Lepomis macrochirus
     Toxicity: 1.5 mg/l
     Test: 96h LC50
  • Organism Type: Fish c
    Common Name: Rainbow trout
     Scientific Name: Oncorhynchus mykiss
    Toxicity: 0.56 mg/l
     Test: 96h LC50
    Formulation: Temik 15G CP Aldicarb RU
  • Organism Type: Fish g
    Common Name: Rainbow trout
     Scientific Name: Oncorhynchus mykiss
    Toxicity: 8.8 mg/l
     Test: 96h LC50
  • Organism Type: Mammals g
    Common Name: Rat
     Scientific Name: Muridae (Family)
     Toxicity: 1 mg/kg
     Test: LD50
  • Organism Type: Mammals c
    Common Name: Rat
     Scientific Name: Muridae (Family)
     Toxicity: 283 mg/kg
     Test: LD50
     Formulation: Temik 50G CP Aldicarb

Soil Organic Carbon/Water Partition Coefficients

  • Koc: 4.3 - 6.5, 7 - 47, 22 e
  • Koc: 4.3-6.5; 7-47; 22 e

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.
f Howard, P. H., R. S. Boethling, W. F. Jarvis, W. M. Meylan, and E. M. Michalenko. 1991. Handbook of Environmental Degradation Rates. Lewis Publishers., Chelsea, MI.
g Meister, R. T., and C. Sine (Ed). 2003. Crop Protection Handbook, volume 89. Meister Publishing Company, Willoughby, OH.