3D Mol Similar

Bifenthrin

: Iupac Name：(2-methyl-3-phenylphenyl)methyl 3-(2-chloro-3,3,3-trifluoroprop-1-enyl)-2,2-dimethylcyclopropane-1-carboxylate; CAS No.: 82657-04-3; Molecular Weight：422.872; Modify Date.: 2024-10-15 08:19; Introduction: 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. View more+

Request For Quotation

1. Names and Identifiers

: 1.1 Name; Bifenthrin; 1.2 Synonyms; (1α,3α(Z))(±)(2-methyl(1,1′-biphenyl)-3-yl)methyl-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethylcy-clopropanecarhoxylate [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 Biphenthrin Brigade Brookade CAPTURE fmc54800 fmc-54800 fmc58000 TALSTAR; View all

1.3 CAS No.: 82657-04-3

1.4 CID: 54901

1.5 EINECS(EC#): 617-373-6

1.6 Molecular Formula: C23H22ClF3O2 (isomer)

1.7 Inchi: InChI=1S/C23H22ClF3O2/c1-14-16(10-7-11-17(14)15-8-5-4-6-9-15)13-29-21(28)20-18(22(20,2)3)12-19(24)23(25,26)27/h4-12,18,20H,13H2,1-3H3

1.8 InChIkey: OMFRMAHOUUJSGP-UHFFFAOYSA-N

1.9 Canonical Smiles: CC1=C(C=CC=C1C2=CC=CC=C2)COC(=O)C3C(C3(C)C)C=C(C(F)(F)F)Cl

1.10 Isomers Smiles: CC1=C(C=CC=C1C2=CC=CC=C2)COC(=O)C3C(C3(C)C)C=C(C(F)(F)F)Cl

2. Properties

2.1 Density: 1.212 g/ml

2.1 Melting point: 68-71℃

2.1 Boiling point: 744.4°C at 760 mmHg

2.1 Refractive index: 1.564

2.1 Flash Point: 165 °C

2.1 Precise Quality: 422.12600

2.1 PSA: 26.30000

2.1 logP: 6.66240

2.1 Solubility: 0.01 g/100 mL

2.2 Appearance: Bifenthrin is an off-white to pale tan waxy solid with a very faint slightly sweet odor. Used as a broad spectrum insecticide.

2.3 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

2.4 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.

2.5 Color/Form: Light brown viscous oil
Viscous liquid; crystaline or waxy solid
Off-white to pale tan waxy solid

2.6 Odor: Very faint, slightly sweet odor

2.7 Water Solubility: H2O: 0.01 g/100 mL

2.8 Stability: Stable under recommended storage conditions.

2.9 StorageTemp: 0-6°C

3. Use and Manufacturing

3.1 Agricultural Uses: Insecticide, Acaricide: A broad-spectrum insecticide. Registered to controlcone worms, seed bugs, seed worms and other insects andmites on rangeland, forests and right-of-ways. It is alsoused to control household and lawn pests. A U.S. EPA restrictedUse Pesticide (RUP).

3.2 Definition: ChEBI: A carboxylic ester obtained by formal condensation of cis-3-(2-chloro-3,3,3-trifluoroprop-1-enyl)-2,2-dimethylcyclopropanecarboxylic acid and [(2-methyl-1,1'-biphenyl)-3-yl]methanol.

3.3 Methods of Manufacturing: Preparation method 1 is prepared by reacting 2-phenylbenzoic acid with SOCl2 to obtain 2-phenylbenzoyl chloride, and then reacting with dimethylformamide to obtain the corresponding 2-phenylbenzamide, which is obtained by reduction with lithium aluminum hydride 2-phenyldimethylbenzylamine.?The corresponding ammonium salt is prepared by reacting 2-phenyldimethylbenzylamine with CH3I, and then reacted with ethyl chloroformate after isomerization to prepare 2-methyl-3-phenylchlorobenzyl.?Finally, bifenthrin was prepared by refluxing with the corresponding acid in the presence of KOH in acetonitrile for 16h.?The preparation method 2 is prepared by condensation, cyclization and dehydrochlorination of 3, 3-dimethyl-1-enopentanoic acid 2-methyl-3-phenylbromobenzyl.

3.4 Potential Exposure: A broad spectrum pyrethroid secticide/acaricide used to control cone worms, seed bugs, seedworms and other insects and mites in forests, on rangeland,and right-of-ways. It is also used to control household andlawn pests. A United States Environmental ProtectionAgency Restricted Use Pesticide (RUP).

3.5 Usage: Third generation synthetic pyrethroid. Insecticide, acaricide.

3.6 Waste Disposal: Incineration would be aneffective disposal procedure where permitted. If an efficientincinerator is not available, the product should be mixedwith large amounts of combustible material and contactwith the smoke should be avoided. In accordance with40CFR165, follow recommendations for the disposal ofpesticides and pesticide containers. Bifenthrin Preparation Products And Raw materials Preparation Products

4. Safety and Handling

4.1 Symbol: GHS02, GHS07, GHS09

4.1 Hazard Codes: Xn

4.1 Signal Word: Danger

4.1 Risk Statements: R20/21/22;R50/53

4.1 Safety Statements: S13;S60;S61

4.1 Packing Group: III

4.1 Octanol/Water Partition Coefficient: log Kow = >6.00

4.2 Other Preventative Measures: Skin that becomes contaminated with /pyrethrum/ should be promptly washed or showered with soap or mild detergent and water. /Pyrethrum/
Clothing contaminated with /pyrethrum/ should be placed in closed containers for storage until provision is made for the removal of /pyrethrum/ from the clothing. /Pyrethrum/
Respirators may be used when engineering and work practice controls are not technically feasible, when such controls are in the process of being installed, or when they fail or need to be supplemented. Respirators may also be used for operations which require entry into tanks or closed vessels, and in emergency situations. /Pyrethrum/
Employees who handle /pyrethrum/ ... should wash their hands thoroughly with soap or mild detergent and water before eating, smoking, or using toilet facilities. /Pyrethrum/
Avoid contact with skin. Keep out of any body of water. Do not contaminate water by cleaning of equipment or disposal of waste. Do not reuse empty container. Destroy it by perforating or crushing. /Pyrethrum/
Workers should wash: Promptly when skin becomes contaminated. /Pyrethrins/
Work clothing should be changed daily: If it is reasonably probable that the clothing may be contaminated. /Pyrethrins/
Remove clothing: Promptly if it is non-impervious clothing that becomes contaminated. /Pyrethrins/
SRP: Contaminated protective clothing should be segregated in such a manner so that there is no direct personal contact by personnel who handle, dispose, or clean the clothing. Quality assurance to ascertain the completeness of the cleaning procedures should be implemented before the decontaminated protective clothing is returned for reuse by the workers. Contaminated clothing should not be taken home at end of shift, but should remain at employee's place of work for cleaning.
SRP: The scientific literature for the use of contact lenses in industry is conflicting. The benefit or detrimental effects of wearing contact lenses depend not only upon the substance, but also on factors including the form of the substance, characteristics and duration of the exposure, the uses of other eye protection equipment, and the hygiene of the lenses. However, there may be individual substances whose irritating or corrosive properties are such that the wearing of contact lenses would be harmful to the eye. In those specific cases, contact lenses should not be worn. In any event, the usual eye protection equipment should be worn even when contact lenses are in place.; View all

4.3 Hazard Class: 6.1(b)

4.3 Hazard Declaration: H225-H302 + H312 + H332-H319-H411

4.3 DisposalMethods: SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.
Incineration would be an effective disposal procedure where permitted. ... /Pyrethrin products/

4.4 RIDADR: UN 2588

4.4 Fire Fighting Procedures: Use carbon dioxide, foam, or dry chemical /on fires involving pyrethroids/. /Pyrethrum/
Fire-fighting: Self-contained breathing apparatus with a full facepiece operated in pressure-demand or other positive-pressure mode. /Pyrethrum/

4.5 Caution Statement: P210-P273-P280-P305 + P351 + P338

4.5 Formulations/Preparations: USEPA/OPP Pesticide Code 128825; Trade Names: FMC 54800, Capture, FMC 54800 technical, Talstar, Brigade, Biflex.
Emulsifiable concentrate; suspension concentrate; wettable powder; ultra-low volume liquid; granule.
Material contains greater than/equal to 97% cis-isomer and less than/equal to 3% trans-isomer.

4.6 Incompatibilities: May react violently with strong oxidizers,bromine, 90% hydrogen peroxide, phosphorustrichloride, silver powders or dust. Incompatible with silvercompounds, lime, and ordinary soaps. Mixture with somesilver compounds forms explosive salts of silver oxalate.

4.7 WGK Germany: 3

4.7 RTECS: GZ1227800

4.7 Protective Equipment and Clothing: Employees should be provided with and required to use dust- and splash-proof safety goggles where /pyrethroids/ ... may contact the eyes. /Pyrethroids/
Employees should be provided with and be required to use impervious clothing, gloves, and face shields (eight-inch minimum). /Pyrethroids/
Wear appropriate equipment to prevent: Repeated or prolonged skin contact. /Pyrethrum and pyrethrins/
Wear eye protection to prevent: Reasonable probability of eye contact. /Pyrethrins/
Recommendations for respirator selection. Max concn for use: 50 mg/cu m: Respirator Classes: Any chemical cartridge respirator with organic vapor cartridge(s) in combination with a dust, mist, and fume filter. May require eye protection. Any supplied-air respirator. May require eye protection. Any self-contained breathing apparatus. May require eye protection. /Pyrethrins/
Recommendations for respirator selection. Max concn for use: 125 mg/cu m: Respirator Classes: Any supplied-air respirator operated in a continuous flow mode. May require eye protection. Any powered, air-purifying respirator with organic vapor cartridge(s) in combination with a dust, mist, and fume filter. May require eye protection. /Pyrethrins/
Recommendations for respirator selection. Max concn for use: 250 mg/cu m: Respirator Classes: Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s) in combination with a high-efficiency particulate filter. Any self-contained breathing apparatus with a full facepiece. Any supplied-air respirator with a full facepiece. Any powered, air-purifying respirator with a tight-fitting facepiece and organic vapor cartridge(s) in combination with a high-efficiency particulate filter. May require eye protection. /Pyrethrins/
Recommendations for respirator selection. Max concn for use: 5,000 mg/cu m: Respirator Class: Any supplied-air respirator with a full facepiece and operated in a pressure-demand or other positive pressure mode. /Pyrethrins/
Recommendations for respirator selection. Condition: Emergency or planned entry into unknown concn or IDLH conditions: Respirator Classes: Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive pressure mode. Any supplied-air respirator with a full face piece and operated in pressure-demand or other positive pressure mode in combination with an auxiliary self-contained breathing apparatus operated in pressure-demand or other positive pressure mode. /Pyrethrins/
Recommendations for respirator selection. Condition: Escape from suddenly occurring respiratory hazards: Respirator Classes: Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister having a high-efficiency particulate filter. Any appropriate escape-type, self-contained breathing apparatus. /Pyrethrins/; View all

4.8 Reactivities and Incompatibilities: Incompatibility: Strong oxidizers. /Pyrethrins/
... Incompatible with lime & ordinary soaps because acids & alkalies speed up processes of hydrolysis. /Pyrethrins/

4.9 Skin, Eye, and Respiratory Irritations: Immediately irritating to the eye. /Pyrethrins/
The chief effect from exposure ... is skin rash particularly on moist areas of the skin. ... May irritate the eyes.

4.10 Safety: Hazard Codes:?Xn,?N,?F
Risk Statements: 20/21/22-50/53-36-11-36/37/38?
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 eyes.?
R11:Highly flammable.?
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 13-60-61-36/37-16-36-26?
S13:Keep away from food, drink and animal foodstuffs.?
S60:This material and its container must be disposed of as hazardous waste.?
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.?
S36/37:Wear suitable protective clothing and gloves.?
S16:Keep away from sources of ignition.?
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
Hazardous Substances Data: 82657-04-3(Hazardous Substances Data); View all

4.11 Specification: ?Bifenthrin (CAS NO.82657-04-3) is also named as (1alpha,3alpha(Z))-(+-)-(2-Methyl(1,1'-biphenyl)-3-yl)methyl 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethylcyclopropanecarboxylate ; (1alpha,3alpha(Z))-(+-)-3-(2-Chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethylcyclopropanecarboxylic acid (2-methyl(1,1'-biphenyl)-3-yl)methyl ester ; 2-Methylbiphenyl-3-ylmethyl (Z)-(1RS,3RS)-3-(2-chloro-3,3,3-trifluoroprop-1-enyl)-2,2-dimethylcyclopropanecarboxylate ; 2-Methylbiphenyl-3-ylmethyl-(Z)-(1RS)-cis-3-(2-chloro-3,3,3-trifluoroprop-1-enyl)-2,2-dimethylcyclopropanecarboxylate ;
Bifenthrine ; Bifenthrine [ISO-French] ; Biphenate ; Biphenthrin ; Biphentrin ; Brigade ; CCRIS 9249 ; Capture ; Caswell No. 463F ; EPA Pesticide Chemical Code 128825 ; FMC 54800 ; FMC 58000 ; HSDB 6568 ; Talstar?.?Pure product of Bifenthrin (CAS NO.82657-04-3) is?off-white solid. It can be dissolved in acetone (1.25kg / L), chloroform, dichloromethane, toluene, ethyl ether, slightly soluble in heptane and methanol and insoluble in water.; View all

4.12 Toxicity: Oral-Rat LD50: 54.5 mg/kg

5. MSDS

2.Hazard identification

2.1 Classification of the substance or mixture

Acute toxicity - Oral, Category 2

Skin sensitization, Category 1B

Acute toxicity - Inhalation, Category 3

Carcinogenicity, Category 2

Specific target organ toxicity \u2013 repeated exposure, Category 1

Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1

Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 1

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word	Danger
Hazard statement(s)	H300 Fatal if swallowed H317 May cause an allergic skin reaction H331 Toxic if inhaled H351 Suspected of causing cancer H372 Causes damage to organs through prolonged or repeated exposure H410 Very toxic to aquatic life with long lasting effects
Precautionary statement(s)
Prevention	P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace. P280 Wear protective gloves/protective clothing/eye protection/face protection. P271 Use only outdoors or in a well-ventilated area. P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P273 Avoid release to the environment.
Response	P301+P310 IF SWALLOWED: Immediately call a POISON CENTER/doctor/\u2026 P321 Specific treatment (see ... on this label). P330 Rinse mouth. P302+P352 IF ON SKIN: Wash with plenty of water/... P333+P313 If skin irritation or rash occurs: Get medical advice/attention. P362+P364 Take off contaminated clothing and wash it before reuse. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P311 Call a POISON CENTER/doctor/\u2026 P308+P313 IF exposed or concerned: Get medical advice/ attention. P314 Get medical advice/attention if you feel unwell. P391 Collect spillage.
Storage	P405 Store locked up. P403+P233 Store in a well-ventilated place. Keep container tightly closed.
Disposal	P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification

none

View all

6. NMR Spectrum

13C NMR : Predict

1H NMR : Predict

Predict 1H proton NMR

Mass spectrum (electron ionization)

7. Synthesis Route

82657-04-3Total: 4 Synthesis Route

107686-48-6

82657-04-3 310 Suppliers

Literatures:
Bulletin of the Chemical Society of Japan, , vol. 60, # 12 p. 4385 - 4394
Yield: null

107489-30-5

82657-04-3 310 Suppliers

Literatures:
Bulletin of the Chemical Society of Japan, , vol. 60, # 12 p. 4385 - 4394
Yield: null

107686-51-1

82657-04-3 310 Suppliers

82657-04-3 310 Suppliers

Literatures:
Bulletin of the Chemical Society of Japan, , vol. 60, # 12 p. 4385 - 4394
Yield: null

View all

8. Precursor and Product

precursor:

354-58-5

107686-51-1

107489-30-5

107686-48-6

9. Other Information

9.0 Merck: 13,1215

9.1 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.

9.2 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

9.3 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.

9.4 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.

9.5 Chemical Properties: White Solid

9.6 Chemical Properties: Off white to pale tan waxy substance. Faint, sweet odor.

9.7 Uses: Third generation synthetic pyrethroid. Insecticide, acaricide.

9.8 Uses: Bifenthrin controls foliar insect pests and some mites on a range of crops including cereals, citrus, cotton, fruit and vegetables.

9.9 Uses: Insecticide, acaricide.

9.10 Definition: ChEBI: A carboxylic ester obtained by formal condensation of cis-3-(2-chloro-3,3,3-trifluoroprop-1-enyl)-2,2-dimethylcyclopropanecarboxylic acid and [(2-methyl-1,1'-biphenyl)-3-yl]methanol.

9.11 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; View all

9.12 Agricultural Uses: Insecticide, Acaricide: A broad-spectrum insecticide. Registered to control cone worms, seed bugs, seed worms and other insects and mites on rangeland, forests and right-of-ways. It is also used to control household and lawn pests. A U.S. EPA restricted Use Pesticide (RUP).

9.13 Trade name: BIFLEX?; BISTAR?; BRIGADE?; CAPTURE? Bifenthrin; DISCIPLINE?; DOUBLE THREAT?; EMPOWER?; FMC? 54800; FMC? 58000; TALSTAR?; TALSTAR LAWN & TREE?; TORANT?; ZIPAK?

9.14 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).

9.15 Metabolic pathway: When mites are administered 14C-bifenthrin either by injection or by contact, bifenthrin is efficiently metabolized by the mites and the metabolites identified arise from the combination of ester cleavage, oxidation, and conjugation reactions and are the 4'-hydroxy derivative of the ester, the primary ester cleavage products, the acid, and its 4'-hydroxy derivative from the alcohol moiety, as well as several unidentified metabolites.

9.16 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

9.17 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.

9.18 Degradation: Bifenthrin is stable for 21 days in the pH range 5-9 at 21°C but it is labile at higher pH. It has a DT₅₀ of 225 days in natural daylight and can therefore be regarded as relatively photochemically stable (PSD).

9.19 Toxicity evaluation: The solubility of bifenthrin in water is relatively low at 0.1 mg l^-1. Furthermore, the water octanol coefficient (Kow) is 1×10⁶ and results in bifenthrin binding to organic substrates. The soil sorption coefficients range between 1.31×10⁵ and 3.02×10⁵, indicating relatively tight binding to soil particles. They also tend to bind to organic particulate materials in the water column. The Kow of bifenthrin may explain the bioconcentration factors (BCFs) observed in some animals, especially fish. For example, fathead minnows (Pimephales promelas) exposed to 0.0037 mg l1 bifenthrin had BCFs of 21 000 after 127 days and 28 000 after 254 days of exposure. Hydrolysis of bifenthrin in buffered water occurs between pH 5 and 9. Photolysis studies in water and soil found that the half-lives were 408 and 96.9 days, respectively. The aerobic soil half-life was 96.3 days and the anaerobic halflife, 425 days.

9.20 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.

9.21 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.

9.22 Storage Conditions: Preparation method 1 is prepared by reacting 2-phenylbenzoic acid with SOCl2 to obtain 2-phenylbenzoyl chloride, and then reacting with dimethylformamide to obtain the corresponding 2-phenylbenzamide, which is obtained by reduction with lithium aluminum hydride 2-phenyldimethylbenzylamine.?The corresponding ammonium salt is prepared by reacting 2-phenyldimethylbenzylamine with CH3I, and then reacted with ethyl chloroformate after isomerization to prepare 2-methyl-3-phenylchlorobenzyl.?Finally, bifenthrin was prepared by refluxing with the corresponding acid in the presence of KOH in acetonitrile for 16h.?The preparation method 2 is prepared by condensation, cyclization and dehydrochlorination of 3, 3-dimethyl-1-enopentanoic acid 2-methyl-3-phenylbromobenzyl.

9.23 Storage features: The warehouse is ventilated, low temperature and dry; stored and transported separately from food materials

10. Computational chemical data

Molecular Weight: 422.872g/mol
Molecular Formula: C₂₃H₂₂ClF₃O₂
Compound Is Canonicalized: True
XLogP3-AA: null
Exact Mass: 422.1260421
Monoisotopic Mass: 422.1260421
Complexity: 622
Rotatable Bond Count: 6
Hydrogen Bond Donor Count: 0
Hydrogen Bond Acceptor Count: 5
Topological Polar Surface Area: 26.3
Heavy Atom Count: 29
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count: 2
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 1
Isotope Atom Count: 0
Covalently-Bonded Unit Count: 1
CACTVS Substructure Key Fingerprint: AAADceB4MYAEAAAAAAAAAAAAGAAAAAAAAAAwYAAAAAAAAAABQAAAGwIAAAAADwKgmBIyCIAABACIAiDSCAACAAAgAAAIiAEACIgIJjKAMRiCMAAkwAEIqAeIwPAPgAACAAAQAAAAAAQAACAAAAAAAAAAAA==

11. Question & Answer

What are the effects of Bifenthrin on human health? Jul 21 2024
Introduction Synthetic pyrethroids, such as bifenthrin (BF), have been shown to cause oxidative stress in animal models, leading to an increase in oxidant markers and a decrease in antioxidant activit..
How long do carbon capture plants need to run to remove the carbon they produced being created? Including producing all the chemicals they need, infrastructure, transportation of chemicals etc. Mar 30 2022
Depends on the plant… personally, I like algae, which is immediately carbon negative. It is basically its own weight in co2. In other words, a pound of algae equals a pound of co2 that it removed. Al..
What are the available technologies for carbon capture? Mar 26 2022
Q: What are the available technologies for carbon capture? A: There are several things called carbon capture. Most people probably mean some form of carbon sequestration to compensate for burning foss..
If carbon capture is possible but impractical due to the storage once it is accomplished, what prevents us from storing sequestration products in previously tapped oil reservoirs? Feb 04 2022
The primary reason we aren’t doing this is because it adds either economic cost or energy penalty cost or both to whatever you are thinking of capturing. The act of burning fossil fuels is an act of ..

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