Cyclopropanecarboxylic acid, 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethyl-, (2-methyl(
trans-Bifenthtin
CAS: 83322-02-5
Molecular Formula: C23H22ClF3O2
Cyclopropanecarboxylic acid, 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethyl-, (2-methyl( - Names and Identifiers
| Name | trans-Bifenthtin |
| Synonyms | trans-Bifenthtin Cyclopropanecarboxylic acid, 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethyl-, (2-methyl( (Z)-(1S)-trans-(2-Methyl[1,1'-biphenyl]-3-yl)methyl 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethylcyclopropanecarboxylate Cyclopropanecarboxylic acid, 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethyl-, (2-methyl(1,1'-biphenyl)-3-yl)methyl ester, trans- Cyclopropanecarboxylic acid, 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethyl-, (2-methyl[1,1'-biphenyl]-3-yl)methyl ester, trans- (9CI) |
| CAS | 83322-02-5 |
Cyclopropanecarboxylic acid, 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethyl-, (2-methyl( - Physico-chemical Properties
| Molecular Formula | C23H22ClF3O2 |
| Molar Mass | 422.87 |
| Density | 1.262 |
| Boling Point | 453.2±45.0 °C(Predicted) |
Cyclopropanecarboxylic acid, 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethyl-, (2-methyl( - References
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| pyrethroid insecticide | bifenthrin is a new type of synthetic pyrethroid insecticide, originally developed by FMC in the United States Successfully, also known as Uranus and Indymite. In the chemical structural formula, fluorine has a biphenyl structure, there are four optical isomers, and the content of cis isomers in the effective components of the product is not less than 97%. Uranus has the advantages of high pest control effect, wide insecticidal range, low residual poison, low dosage, and can also treat mites. pure bifenthrin is a solid with a melting point of 68~70.6 ℃, the original drug is a light brown solid with an active ingredient content of 90 ~ 96%, a melting point of 57~64 ℃, a density of d25 1.210, and a vapor pressure of 2.4 × 10-2 Pa at 25 ℃. It is stable to light, stable in acidic medium, easy to decompose in alkaline medium, and stable in storage at room temperature. Soluble in organic solvents such as acetone, chloroform, dichloromethane, ether, toluene, slightly soluble in heptane and methanol, hardly soluble in water, and the solubility in water is 0.1mg/L. The toxicity to higher animals is moderate. The original drug has an acute oral LD50 of 54.5 mg/kg for rats, an acute percutaneous LD50 of more than 2000 mg/kg for rabbits, and has no irritating effect on skin and eyes. No teratogenic, mutagenic and carcinogenic effects were found on the test animals within the test dose. The provisional allowable daily intake (TADI) for human body is 0.04~0.05 mg/kg. Low toxicity to birds, moderate toxicity to bees, high toxicity to aquatic organisms such as fish and silkworm, rainbow trout 196 h LC50 is 0.15 μg/L. Insecticidal activity is high, it is a nerve agent, which mainly plays the role of contact and stomach poison, and has no effect of absorption and fumigation. The insecticidal effect is rapid, the residual period is long, it does not move in the soil, and it is safer for the environment. It has a wide insecticidal spectrum and is effective for Lepidoptera, Hemiptera, Coleoptera, Thysanoptera and other pests. It also has a certain control effect on Acara pests and can be used for both insects and mites. The above information is edited and sorted by Andy. |
| toxicity | according to China's pesticide toxicity classification standard, bifenthrin is a moderately toxic insecticide and acaricide. The acute oral LD50 of rats was 54.5 mg/kg body weight, and the acute percutaneous LD50 of rabbits was> 2 000 mg/kg body weight, which had no sensitizing and irritating effects on skin and eyes, and had no teratogenic, mutagenic and carcinogenic effects on animals at the test dose. High toxicity to fish, aquatic insects and other aquatic organisms, moderate toxicity to bees, low toxicity to birds. |
| action characteristics | bifenthrin is a pyrethroid insecticide and acaricide. it has contact killing and stomach toxicity effects, no absorption and fumigation effects, wide insecticidal spectrum and rapid action. It does not move in the soil, is safer to the environment, and has a long residual period. Bifenthrin can be processed into emulsifiable concentrate, wettable powder, suspending agent and other dosage forms for use. It is mainly used for cotton, tea trees, fruit trees, vegetables, cereals and other crops to prevent and control various aphids, cotton bollworms, cotton red bollworms, tea geometrid, tea caterpillar, tea green leafhopper, fruit tree heart-eating worm, citrus leaf miner, cabbage green worm, nightworm, etc. Can also treat mites, because the effect is unstable, easy to produce drug resistance, not as a special acaricide. The spray should be uniform, and the pesticide should be applied to the borer pests before the young insects are eaten into the crop, and the residual period is generally 7-15 days. |
| usage | 1. control of cotton pests (1) control of cotton bollworm: apply pesticide at the full incubation stage of eggs, spray 50-60kg of water with 23-40ml of 10% bifenthrin emulsifiable concentrate per mu, and the insecticidal and bud-keeping effect is good within 7-10 days after treatment. This dose can also be used to control cotton red bollworm. The appropriate period for prevention and control is the second and third generation egg incubation period, 2 times per generation. (2) prevention and control of cotton spider mites: if the mites are applied during the occurrence period, spray 50 ~ 60kg of water with 10% emulsifiable concentrate 30 ~ 40ml per mu, with a residual effect period of about 12 days, which can also treat cotton aphid, bridge-building insect, leaf roller, thrips, etc. (if it is specially used for prevention and control of cotton aphid, the dosage can be halved). 2. prevention and control of fruit tree pests (1) prevention and control of peach carpino: apply pesticide at the peak of egg incubation period. when the egg and fruit rate reaches 0.5%~ 1%, spray with 10% bifenthrin emulsifiable concentrate 3,300~4,000 times. Spraying 3~4 times throughout the season can effectively control its hazards, with a residual period of about 10 days. (2) prevention and control of apple spider mites: before or after apple flowering, when each leaf reaches 2 mites, spray with 10% emulsifiable concentrate 3,300~5,000 times. In the case of low mite density, the residual period is 24 ~ 28d. It can also be used to control leaf miners and red leaf mites of other fruit trees. 3. prevention and control of vegetable pests (1) prevention and control of whitefly: in the early stage of occurrence of whitefly, when the insect population density is not high (about 2 heads/plant), the dosage is: cucumber and tomato cultivated in greenhouse are sprayed with 2-2.5g of effective ingredient per mu to 50kg of water, and 2.5-4g of effective ingredient per mu to 50kg of water for open field cultivation, which can effectively control its harm within 15 days. When the insect population density is high, the control effect of the same dose is unstable. (2) prevention and control of rapeseed aphid: spraying with 10% bifenthrin emulsifiable concentrate 3,000~4,000 times during the occurrence period can control the harm and the residual effect period is about 15 days. This dose can also control a variety of leaf-eating pests, such as Pieris rapae, Plutella xylostella, etc. |
| precautions | 1. apply evenly and carefully, minimize the dosage and frequency of use, and rotate with organic phosphorus and organic nitrogen pesticides as much as possible to slow down the generation of resistance. 2, it can exert its efficacy in low temperatures, so it is recommended to use the medicine in spring and autumn. 3, the daily allowable intake (ADI) of human body is 0.04~0.05 mg/kg body weight. 4. In case of inhalation poisoning or accidental administration, the patient should be moved to a place with fresh air and sent to the hospital for medical treatment. |
Last Update：2024-04-10 22:29:15
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CAS: 83322-02-5
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