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Tefluthrin

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Overview


Tefluthrin is a synthetic pyrethroid pesticide that was fist introduced in 1986 and it is synthesized from the flower heads of chrysanthemum cinerariaefolium which contain the natural Pyrethroids esters of chrysanthemumic acid (R1 = CH 3) or pyrethric acid (R1 = H 3 O 2 C) (#INCHEM). It currently has no reported use in the United States (#PAN).

 

Just the facts


Physical Information

Name: Tefluthrin

Chemical Formula: C 17 H 14 ClF 7 O 2

Use: pyrethroid Pesticide

Source: synthetic

Recommended daily intake: none

Absorption: dermal, inhalation, ocular, ingestion

Chemical Structure



Structure retrieved from #INTOX.

 

Chemical Description


It is a colorless solid at room temperature with a low solubility in water and a low flammability (#INTOX).

Uses


Tefluthrin is still legal to be used, though no use has been recorded in the past few years. It was used to control a wide range of soil pests in crops such as maize, sugar beet, corn, grains, and other crops (#EPA and #INTOX).

Health Effects


Dermal absorption is the most common form of exposure but eye irritation can also occur and nausea and vomiting will occur if it is ingested (#INCHEM). Acute effects are a result of the mode of absorption (dermal, inhalation, etc) but generally effects are as follows:
* dermal - skin irritation, pruritus, erythema, burning and blisters
* inhalation - typically is occupational and cause pulmonary tract irritation
* ingestion - nausea, vomiting, and abdominal pains
* oculer - blurry vision

Tefluthrin is not thought to have chronic health effects (#INTOX).

External Links


 

References



National Poisons Information Service. "TEFLUTHRIN". 28/1/98.


Environmental Protection Agency (EPA). " Tefluthrin; Pesticide Tolerance". Federal Register November 26, 1997. Accessed 9-27-07.

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