Ecological Assessment of Storm Impacts

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Data Collection

Bentazon

CAS Number: 25057-89-0

Basic Information

The chemical structure of Bentazon Synonym(s): Bentazone; 2,1,3-Benzothiadiazin-4(3H)-one, 3-isopropyl-, 2,2-dioxide; 3-Isopropyl-1H-2,1,3-benzothiadiazin-4(3H)-one-2,2-dioxide; 3-Isopropyl-1H-benzo-2,1,3-thiadiazin-4-one-2,2-dioxide
Formula: C10H12N2O3S
 Molecular Weight: 240.276
 Melting Point (°C): 137 - 139
 Contaminant Type: Bentazon is an herbicide.

Solubility (in water)

  • Solubility: 500 mg/l d
    Temperature (°C): 25

Toxicity Effects

  • Organism Type: Fish e
    Common Name: Goldfish
     Scientific Name: Carassius auratus
     Toxicity: >200 mg/l
     Test: NR50
  • Organism Type: Fish e
    Common Name: Carp
     Scientific Name: Cyprinus carpio
     Toxicity: 40 mg/l
     Test: 8h LC50
  • Organism Type: Fish g
    Common Name: Rainbow trout
     Scientific Name: Oncorhynchus mykiss
    Toxicity: >100 mg/l
     Test: 96h LC50
  • Organism Type: Mammals g
    Common Name: Rat
     Scientific Name: Muridae (Family)
     Toxicity: >1000 to < 2000 mg/kg
     Test: LD50

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

d ChemFinder. Cambridge MA: CambridgeSoft Corporation. Retrieved November, 2003 from http://chemfinder.cambridgesoft.com
e Verschueren, K. 1996. Handbook of Environmental Data on Organic Chemicals, 3rd edition. John Wiley & Sons, Inc., New York.
g Meister, R. T., and C. Sine (Ed). 2003. Crop Protection Handbook, volume 89. Meister Publishing Company, Willoughby, OH.