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82657-04-3

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Identification

Name
Bifenthrin
CAS
82657-04-3
Synonyms
2-METHYLBIPHENYL-3YL-METHYL (Z)-(1RS)-CIS-3-(2-CHLORO-3,3,3-TRIFLUOROPROP-1-ENYL)-2,2-DIMETHYL-CYCLOPROPANE CARBOXYLATE
3-[(1Z)-2-CHLORO-3,3,3-TRIFLUORO-1-PROPENYL]-2,2-DIMETHYLCYCLOPROPANECARBOXYLIC ACID (2-METHYLBIPHENYL-3-YL)METHYL ESTER
BIFENTHRIN
BRIGADE(R)
TALSTAR
TALSTAR(R)
(2-methyl(1,1’-biphenyl)-3-yl)methylester,(z)-yl
,3,3-trifluoro-1-propenyl)-2,2-dimethylcyclopropanecarboxylate
[1alpha,3alpha(z)]-(+-)-(2-methyl[1,1’-biphenyl]-3-yl)methyl3-(2-chloro-3
[1alpha,3alpha(z)]-(+-)-3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethyl
2-methylbiphenyl-3-ylmethyl-(z)-(1rs)-cis-3-(2-chloro-3,3,3-trifluoroprop-1-en
2-methylbiphenyl-3-ylmethyl(z)-(1rs,3rs)-3-(2-chloro-3,3,3-trifluoroprop-1-en
bifenthrine
biphenate
biphenthrin
biphentrin
brigade
capture
cyclopropanecarboxylicacid(2-methyl[1,1’-biphenyl]-3-yl)methylester
fmc54800
Molecular Formula
C23H22ClF3O2
MDL Number
MFCD00143694
Molecular Weight
422.87
MOL File
82657-04-3.mol

Chemical Properties

Description
Bifenthrin is a synthetic pyrethroid insecticide/miticide/acaricide. Bifenthrin is off-white to pale tan waxy solid granules with a faint, musty odour and a slightly sweet smell. Bifenthrin is soluble in methylene chloride, acetone, chloroform, ether, and toluene and slightly soluble in heptane and methanol. It is slightly combustible and support combustion at elevated temperatures. Thermal decomposition and burning may form toxic byproducts such as carbon monoxide, carbon dioxide, hydrogen chloride, and hydrogen fluoride. Bifenthrin treatment affects the nervous system and causes paralysis in insects.
Appearance
Off white to pale tan waxy substance. Faint, sweet odor.
mp 
68-71°C
Fp 
165 °C
storage temp. 
0-6°C
Water Solubility 
0.01 g/100 mL
Merck 
13,1215
CAS DataBase Reference
82657-04-3(CAS DataBase Reference)
NIST Chemistry Reference
Bifenthrin(82657-04-3)
EPA Substance Registry System
82657-04-3(EPA Substance)

Hazard Information

Chemical Properties
Bifenthrin is a member of the pyrethroid chemical class. It is an insecticide and acaricide. Bifenthrin is off-white to pale tan waxy solid granules with a faint, musty odor and slightly sweet smell. Bifenthrin is soluble in methylene chloride, acetone, chloroform, ether, and toluene, and is slightly soluble in heptane and methanol. It is slightly combustible and support combustion at elevated temperatures. Thermal decomposition and burning may form toxic by-products, such as carbon monoxide, carbon dioxide, hydrogen chloride, and hydrogen fl uoride. Bifentrin treatment affects the nervous system and causes paralysis in insects.
Health Hazard
Bifenthrin is moderately toxic to species of mammals when ingested. Exposures to large doses of bifenthrin cause poisoning with symptoms that include, but are not limited to, incoordination, tremor, salivation, vomiting, diarrhea, and irritability to sound and touch. Exposures to bifenthrin through skin absorption and/or inhalation of dust cause adverse health effects. On contact with bifenthrin, occupational workers develop adverse health effects that include skin sensations, rashes, numbness, and a burning and tingling type of effect. As a pyrethroid poison, bifenthrin disturbs the electrical impulses in nerves, over-stimulating nerve cells, causing tremors and eventually causing paralysis. The skin-related health effects were found to be reversible and subside after a brief period of time and stoppage of further exposures to bifenthrin. Although bifenthrin causes no infl ammation or irritation on human skin, it can cause a tingling sensation that lasts about 12 h. Bifenthrin has caused no symptoms of irritation to rabbits’ eyes. The US EPA has classifi ed bifenthrin as toxicity class II, meaning moderately toxic
Potential Exposure
A broad spectrum pyrethroid secticide/ acaricide used to control cone worms, seed bugs, seed worms and other insects and mites in forests, on rangeland, and right-of-ways. It is also used to control household and lawn pests. A United States Environmental Protection Agency Restricted Use Pesticide (RUP).
First aid
If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. Give artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin. Keep victim warm and quiet. Effects of exposure (inhalation, ingestion, or skin contact) to substance may be delayed. Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. Do not induce vomiting when formulations containing petroleum solvents are ingested. Otherwise, give large quantities of water and induce vomiting. Do not make an unconscious person vomit.
Shipping
UN2588 Pesticides, solid, toxic, Hazard Class: 6.1; Labels: 6.1—Poisonous materials, Technical Name Required. UN3349 Pyrethroid pesticide, solid toxic, Hazard Class: 6.1; Labels: 6.1—Poisonous material.
Incompatibilities
May react violently with strong oxidizers, bromine, 90% hydrogen peroxide, phosphorus trichloride, silver powders or dust. Incompatible with silver compounds, lime, and ordinary soaps. Mixture with some silver compounds forms explosive salts of silver oxalate.
Waste Disposal
Incineration would be an effective disposal procedure where permitted. If an efficient incinerator is not available, the product should be mixed with large amounts of combustible material and contact with the smoke should be avoided. In accordance with 40CFR165, follow recommendations for the disposal of pesticides and pesticide containers.

Safety Data

Hazard Codes 
Xn;N,N,Xn,F
Risk Statements 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R36:Irritating to the eyes.
R11:Highly Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S13:Keep away from food, drink and animal feeding stuffs .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S36/37:Wear suitable protective clothing and gloves .
S16:Keep away from sources of ignition-No smoking .
S36:Wear suitable protective clothing .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
RIDADR 
UN 2588
RTECS 
GZ1227800
HazardClass 
6.1(b)
PackingGroup 
III
HS Code 
29162090
storage
Bifenthrin should be kept stored in a cool, dry, well-ventilated place away from heat, open flame or hot surfaces. It should only be stored in its original containers and should not be contaminated with other pesticides, fertilizers, water, food, or feed by storage or disposal
Hazardous Substances Data
82657-04-3(Hazardous Substances Data)

Raw materials And Preparation Products

Material Safety Data Sheet(MSDS)

msds information
Bifenthrin(82657-04-3).msds

Questions And Answer

Description
Bifenthrin is synthetic pyrethroid insecticide with biochemical origins in the natural insecticide pyrethrum. It is a waxy solid with a color ranging from an off-white to a pale tan, and with a slightly sweet odor. It is almost insoluble in water. Bifenthrin is used for the control of borers and termites in timber, insect pests in agricultural crops (bananas, apples, pears, ornamentals) and turf, as well as for general pest control (spiders, ants, fleas, flies, mosquitoes). Due to its high toxicity to aquatic organisms, it is listed as a restricted use pesticide. It has a very low solubility in water and tends to bind to soil, which minimizes runoff into water sources. It is marketed as Talstar, Bifenthrine, Brigade, Capture, Torant, Zipak, FMC 54800, and OMS3024.
References
[1] http://ec.europa.eu/food/plant/pesticides/eu-pesticides-database/public/?event=activesubstance.detail&language=DE&selectedID=1026
[2] http://apvma.gov.au/node/12396
[3] http://www.ehrf.info/wp-content/uploads/2012/03/Bifenthrin-Feb-2012.pdf

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