Difference between revisions of "Bentazon"

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{{Definition|title=bentazon  
 
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|definition=Bentazon is an herbicide used in agriculture for selective postemergence control of many broadleaf weeds in soybeans, rice, corn, peanuts, mint, dry beans, dry peas, and succulent lima beans. <ref>[http://www.epa.gov/iris/toxreviews/0134-tr.pdf EPA 1998 TOXICOLOGICAL REVIEW of BENTAZON]</ref>}}
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|definition=Bentazon is a herbicide used in agriculture for selective post-emergence control of many broad leaf weeds in soybeans, rice, corn, peanut, mint, dry bean, dry peas and succulent lima bean plantations<ref>[http://www.epa.gov/iris/toxreviews/0134-tr.pdf EPA 1998 TOXICOLOGICAL REVIEW of BENTAZON]</ref>. }}
  
  
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Bentazon is expected to enter surface water by run of from application sites. It has a moderate water solubility of 500 mg/l and a low tendency to [[adsorption|adsorb]] to soils and sediments. In water it can be rapidly broken down by sun light. It can take between 24 hours and 4 moths to half its concentration depending on the environmental conditions. It can also be biodegraded. <ref>[http://extoxnet.orst.edu/pips/bentazon.htm www.extoxnet.orst.edu 20 August 2009]</ref> <ref>[http://www.epa.gov/oppsrrd1/REDs/0182.pdf Epa 1995 Reregistration Eligibility Decision Bentazon]</ref>
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Bentazon is expected to enter the surface water by run-off from application sites. It has a moderate water solubility of 500 mg/l and a low tendency to [[adsorption|adsorb]] to soils and sediments. In water it can be rapidly broken down by sun light (photodegradation). It can also be biodegraded. Its environmental [[half-life]] varies between 24 hours and 4 months, depending on the environmental conditions<ref>[http://extoxnet.orst.edu/pips/bentazon.htm www.extoxnet.orst.edu August 20 2009]</ref> <ref>[http://www.epa.gov/oppsrrd1/REDs/0182.pdf Epa 1995 Reregistration Eligibility Decision Bentazon]</ref>
  
 
It has a very low a tendency to [[bioaccumulation|bioaccumulate]].
 
It has a very low a tendency to [[bioaccumulation|bioaccumulate]].
  
Bentazon has a low toxicity to most aquatic animals. Concentrations above 100 mg/l are necessary to cause toxicity in fishes. Invertebrates are most vulnerable; mussels die at concentrations above 20 mg/l. Concentrations above 5 mg/l might affect phytoplankton. <ref>[http://www.pesticideinfo.org/Detail_Chemical.jsp?Rec_Id=PC33788 www.pesticideinfo.org 20 August 2009]</ref>
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Bentazon has a low [[toxic|toxicity]] to most aquatic animals. Concentrations above 100 mg/l cause acute toxicity to fishes. Invertebrates are most vulnerable; mussels die at concentrations above 20 mg/l. Concentrations above 5 mg/l might affect phytoplankton<ref>[http://www.pesticideinfo.org/Detail_Chemical.jsp?Rec_Id=PC33788 www.pesticideinfo.org August 20 2009]</ref>.
 
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== Environmental standards and legislation ==
 
== Environmental standards and legislation ==
  
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==References==
 
==References==
 
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{{author
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|AuthorFullName=Daphnis De Pooter
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|AuthorName=Daphnisd}}
  
[[Category:Coastal and marine pollution]]
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[[Category:Toxicity chemicals]]

Latest revision as of 13:02, 9 August 2020

Definition of bentazon:
Bentazon is a herbicide used in agriculture for selective post-emergence control of many broad leaf weeds in soybeans, rice, corn, peanut, mint, dry bean, dry peas and succulent lima bean plantations[1].
This is the common definition for bentazon, other definitions can be discussed in the article


Notes

Bentazon
Bentazon
Formula
C9H12N203S

Bentazon is expected to enter the surface water by run-off from application sites. It has a moderate water solubility of 500 mg/l and a low tendency to adsorb to soils and sediments. In water it can be rapidly broken down by sun light (photodegradation). It can also be biodegraded. Its environmental half-life varies between 24 hours and 4 months, depending on the environmental conditions[2] [3].

It has a very low a tendency to bioaccumulate.

Bentazon has a low toxicity to most aquatic animals. Concentrations above 100 mg/l cause acute toxicity to fishes. Invertebrates are most vulnerable; mussels die at concentrations above 20 mg/l. Concentrations above 5 mg/l might affect phytoplankton[4].


Environmental standards and legislation

Included in the water framework list of priority substances


References

The main author of this article is Daphnis De Pooter
Please note that others may also have edited the contents of this article.

Citation: Daphnis De Pooter (2020): Bentazon. Available from http://www.coastalwiki.org/wiki/Bentazon [accessed on 1-12-2021]