4-Chloro-alpha-(1-methylethyl)benzeneacetic acid cyano(3-phenoxyphenyl)methyl ester
Fenvalerate
CAS: 51630-58-1
Molecular Formula: C25H22ClNO3
4-Chloro-alpha-(1-methylethyl)benzeneacetic acid cyano(3-phenoxyphenyl)methyl ester - Names and Identifiers
| Name | Fenvalerate |
| Synonyms | Extrin Ectrin Belmark Pydrin Fenkill Sumifly Sumitox Sumicide SD 43775 Sumipower Sumicidin Fenvalerate Phenvalerate Cyano (3-phenoxybenzyl)-2-(4-chlorophenyl)-3-methylbutyrate cyano(3-phenoxyphenyl)methyl 2-(4-chlorophenyl)-3-methylbutanoate α-Cyano-3-phenoxy benzyl(R,S)-2-(4- chlorophenyl)-3-methyl butyrate RS)-α-cyano-3-phenoxybenzyl (RS)-2-(4-chlorophenyl)-3-methylbutyrate cyano(3-phenoxyphenyl)methyl 4-chloro-α-(1-methylethyl)benzeneacetate Cyano-(3-phenoxyphenyl)methyl 4-chloro-alpha-(1-methylethyl)benzene acetate 4-Chloro-alpha-(1-methylethyl)benzeneacetic acid cyano(3-phenoxyphenyl)methyl ester |
| CAS | 51630-58-1 |
| EINECS | 257-326-3 |
| InChI | InChI=1/C25H22ClNO3/c1-17(2)24(18-11-13-20(26)14-12-18)25(28)30-23(16-27)19-7-6-10-22(15-19)29-21-8-4-3-5-9-21/h3-15,17,23-24H,1-2H3 |
4-Chloro-alpha-(1-methylethyl)benzeneacetic acid cyano(3-phenoxyphenyl)methyl ester - Physico-chemical Properties
| Molecular Formula | C25H22ClNO3 |
| Molar Mass | 419.9 |
| Density | 1.21g/cm3 |
| Boling Point | 538.9°C at 760 mmHg |
| Flash Point | 279.7°C |
| Vapor Presure | 1.11E-11mmHg at 25°C |
| Storage Condition | 2-8℃ |
| Sensitive | Sensitive to light |
| Refractive Index | 1.586 |
| MDL | MFCD00055324 |
| Physical and Chemical Properties | Boiling point 300°C |
| Use | It is a broad-spectrum and highly effective insecticide, which is used to control pests of cotton, vegetables, fruit trees, rice, corn, soybean, tobacco and other crops |
4-Chloro-alpha-(1-methylethyl)benzeneacetic acid cyano(3-phenoxyphenyl)methyl ester - Upstream Downstream Industry
4-Chloro-alpha-(1-methylethyl)benzeneacetic acid cyano(3-phenoxyphenyl)methyl ester - Reference
| Reference Show more | 1. [IF=3.638] Ting-tiao Pan et al."In situ and rapid determination of acetamiprid residue on cabbage leaf using surface-enhanced Raman scattering."J Sci Food Agr. 2021 Jul;101(9):3595-3604 |
4-Chloro-alpha-(1-methylethyl)benzeneacetic acid cyano(3-phenoxyphenyl)methyl ester - Nature
Open Data Verified Data
The Pure product is yellow transparent oily liquid, and the original drug is Brown yellow viscous liquid. Soluble in xylene, methanol, acetone, chloroform. Light resistance is strong, stable under acidic conditions, alkaline conditions are not stable.
Last Update：2024-01-02 23:10:35
4-Chloro-alpha-(1-methylethyl)benzeneacetic acid cyano(3-phenoxyphenyl)methyl ester - Preparation Method
Open Data Verified Data
fenvalerate was prepared from p-chlorobenzyl by alkylation, hydrolysis, chlorination to prepare isopropyl p-chlorophenyl acetyl chloride, followed by reaction with M-phenoxyformaldehyde and sodium cyanide.
Last Update：2022-01-01 10:12:08
4-Chloro-alpha-(1-methylethyl)benzeneacetic acid cyano(3-phenoxyphenyl)methyl ester - Introduction
The steam pressure at 20 ℃ is 3.1 * 10-8kpa, the vapor pressure at 25 ℃ is 3.7 * 10-8kpa, and the solubility at 20 ℃ is: water <1mg/L, hexane 77g/L, acetone, ethanol, chloroform, xylene and cyclohexanone are all greater than 450g/L. It has good thermal stability and no obvious decomposition at 75 ℃ for 100h. It is stable under acidic conditions and unstable in alkaline medium with ph>8.
Last Update：2022-10-16 17:25:46
4-Chloro-alpha-(1-methylethyl)benzeneacetic acid cyano(3-phenoxyphenyl)methyl ester - Use
Open Data Verified Data
fenvalerate has a broad insecticidal spectrum and no selectivity to natural enemies. It is mainly killed by contact and gastric toxicity, and has no effect of inhalation and fumigation. The effect of lepidopteran larvae is good. It also has good effect on Homoptera, Orthoptera, Hemiptera and other pests, but it is invalid for mites. It is widely used in the control of cotton pests, Fruit Pests and vegetable pests.
Last Update：2022-01-01 10:12:08
4-Chloro-alpha-(1-methylethyl)benzeneacetic acid cyano(3-phenoxyphenyl)methyl ester - Safety
Open Data Verified Data
Acute oral LD50 of the original drug in rats is 451mg/kg, acute percutaneous LD50>5000mg/kg in rats, acute inhalation of LCso>lOOmg/m3 in rats, which has mild irritation to rabbit skin, moderate eye irritation. No mutagenic, teratogenic and carcinogenic effects. It is very toxic to fish and aquatic animals, not toxic to birds, and safe to bees.
Last Update：2022-01-01 10:12:09
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Raw Materials for 4-Chloro-alpha-(1-methylethyl)benzeneacetic acid cyano(3-phenoxyphenyl)methyl ester