52820-00-5

Basic information

• Product Name: Deltamethrin
• Synonyms: [Cyano-[3-(phenoxy)phenyl]methyl] 3-(2,2-dibromoethenyl)-2,2-dimethylcyclopropane-1-carboxylate;Deltamethrin
• CAS NO: 52820-00-5
• Molecular Formula: C₂₂H₁₉Br₂NO₃
• Molecular Weight: 505.2
• EINECS: 258-256-6
• Mol File: 52820-00-5.mol
• Article Data: 8

Chemical Properties

• Boiling Point: 535.8 °C at 760 mmHg
• Flash Point: 277.8 °C
• Appearance: /
• Density: 1.595 g/cm³
• Vapor Pressure: 1.49E-11mmHg at 25°C
• Refractive Index: 1.653
• CAS DataBase Reference: Deltamethrin(CAS DataBase Reference)
• NIST Chemistry Reference: Deltamethrin(52820-00-5)
• EPA Substance Registry System: Deltamethrin(52820-00-5)

Safety Data

• Hazardous Substances Data: 52820-00-5(Hazardous Substances Data)

Usage

Uses

Used in Agricultural Industry:
Deltamethrin is used as a pest control agent for crops to protect them from a variety of insects that can cause damage and reduce yield. Its application helps in maintaining the health and productivity of the crops.
Used in Public Health:
In the public health sector, Deltamethrin is used as an insecticide to control disease-carrying insects such as mosquitoes, which can transmit illnesses like malaria, dengue, and Zika virus. This helps in reducing the spread of vector-borne diseases and improving overall public health.
Used in Livestock Protection:
Deltamethrin is used as a protective measure for livestock to safeguard them from pests that can cause discomfort, reduce productivity, and even lead to the transmission of diseases. Its application ensures the well-being and health of animals in farming operations.
Used in Residential and Commercial Settings:
Deltamethrin is used in both residential and commercial settings to control pests that can infest buildings and cause discomfort or health risks. Its application on indoor and outdoor surfaces helps in maintaining a clean and hygienic environment.
It is crucial to follow safety precautions and adhere to recommended application rates when using products containing Deltamethrin to minimize the risk of adverse health effects and ensure its effectiveness in pest control.

InChI:InChI=1/C22H19Br2NO3/c1-22(2)17(12-19(23)24)20(22)21(26)28-18(13-25)14-7-6-10-16(11-14)27-15-8-4-3-5-9-15/h3-12,17-18,20H,1-2H3

Synthetic route

3-Phenoxybenzaldehyde (39515-51-0) + 1,2-diaza-bicyclo[2.2.2]octane (329-94-2) + 2,2-dimethyl-3-(2',2'-dibromovinyl)-cyclopropane-1-carboxylic acid chloride (59952-40-8, 55710-82-2, 60269-51-4, 61914-49-6, 68198-95-8, 68198-96-9, 73952-09-7, 121313-43-7) → (-)-α-cyano-3-phenoxybenzyl (+)-cis-3-(2,2-dibromovinyl)-2,2-dimethylcyclopropanecarboxylate (52820-00-5)

Conditions	Yield
In n-heptane; water	96%

3-Phenoxybenzaldehyde (39515-51-0) + 2,2-dimethyl-3-(2',2'-dibromovinyl)-cyclopropane-1-carboxylic acid chloride (59952-40-8, 55710-82-2, 60269-51-4, 61914-49-6, 68198-95-8, 68198-96-9, 73952-09-7, 121313-43-7) → (-)-α-cyano-3-phenoxybenzyl (+)-cis-3-(2,2-dibromovinyl)-2,2-dimethylcyclopropanecarboxylate (52820-00-5)

Conditions	Yield
In tetrahydrofuran; water	86%

Upstream product

• 39515-51-0 3-Phenoxybenzaldehyde 
• 59952-40-8 2,2-dimethyl-3-(2',2'-dibromovinyl)-cyclopropane-1-carboxylic acid chloride 
• 329-94-2 1,2-diaza-bicyclo[2.2.2]octane 

Relevant articles and documents

Para-hydroxyphenylacetic acid for reducing the repellency of insecticides

The present invention relates to the new use of p-hydroxyphenylacetic acid, by itself or in a mixture with other chemical compounds, for reducing the repellency of insecticides in the control of cockroaches, and to cockroach control compositions which comprise these mixtures, details being found in the description.

Methods and agents for combating cockroaches

The present invention relates to the use of compounds of the general formula I STR1 in which R1 represents C1 -C5 -alkyl or hydroxy-C1 -C5 -alkyl; R2 represents C1 -C5 -alkyl; and m represents an integer from 10 to 20, for combating cockroaches.

Insecticidal resin coating film

An insecticidal resin coating film comprising a combination of an acrylonitrile and/or methacrylonitrile copolymer resin and an insecticidal component selected from the group consisting of specified compounds exhibits an insecticidal effect, since the compound is kept on the surface of the coating film in a state capable of exhibiting its insecticidal effect for a long period of time.

Oil-in-water emulsions, and their use

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Preparation of esters

Certain alpha-cyano esters are prepared by reacting an acyl halide with an aldehyde in a substantially water-immiscible aprotic solvent and an aqueous solution of water-soluble cyanide salt in the presence of an amine or cryptate rate-promoting agent.

Stabilized cyandhydrin ester

A pesticidal composition comprising a major amount of a nonracemic form of a pesticidally effective cyanohydrin ester or a solution of the non-racemic ester in a solvent and a stabilizing amount of an acid or acidic acting material.

Preparation of esters

α-cyano esters are prepared by reacting an acyl halide with an aldehyde in a homogeneous mixture of substantially water-miscible aprotic solvent and an aqueous solution of water-soluble cyanide salt.

Preparation of esters

Certain alpha-cyano esters are prepared by reacting an acyl halide with an aldehyde in a substantially water-immiscible aprotic solvent and an aqueous solution of water-soluble cyanide salt in the presence of an amine or cryptate rate-promoting agent.