Permethrin CAS 52645-53-1
Permethrin CAS 52645-53-1Permethrin CAS 52645-53-1

Permethrin CAS 52645-53-1

Permethrin CAS 52645-53-1, Permethrin, CAS 52645-53-1

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Chemical name: (3-phenoxyexybenzyl) methyl cis-trans -3-(2, 2-dichloroyl)-2, 2-dimethylcyclopropane carboxylate ester

52645-53-1

C21H20Cl2O3

391.29

258-067-9

Permethrin CAS 52645-53-1 Information

CAS 52645-53-1
Molecular formula C21H20Cl2O3
Molecular weight 391.29
EIENCS 258-067-9
Form neat
Melting point 34-35°C
boling point bp0.05 220°C
Density 1.19
Solubility insoluble
PKA /
Color /
Storage temp 0-6°C

Permethrin CAS 52645-53-1

What is Permethrin CAS 52645-53-1?

Molecular formula and structure


Molecular formula: C₂₁H₂₀Cl₂O₃

Molecular weight: 391.29 g/mol

Chemical name: (3-phenoxyexybenzyl) methyl cis-trans -3-(2, 2-dichloroyl)-2, 2-dimethylcyclopropane carboxylate ester

Structural features: A pyrethroid insecticide without cyano groups, containing benzene rings, dichloroethylene groups and cyclopropane carboxylic acid ester structures.

Appearance: The pure product is a colorless crystal (melting point 34-35℃), while the industrial product is a brownish-yellow viscous liquid or semi-solid with a density of 1.19-1.27g /cm³ at 20℃.


Operation and storage specifications

Usage requirements

Avoid mixing with alkaline substances (such as lime); Prepare and use immediately to prevent hydrolysis and failure.

Safety interval: 7 days for tea and 21 days for cotton.

Storage conditions

Seal and keep away from light, humidity <60%, temperature <25℃ (shelf life: 2 years).

First aid measures

Skin contact → Rinse with soapy water for 15 minutes; Eye contact → Rinse with normal saline + Seek medical attention; Accidental ingestion → Gastric lavage and symptomatic treatment.


Permethrin CAS 52645-53-1 Use

1. Agricultural pest control

Applicable crops: cotton, vegetables, fruit trees, tea trees, etc.

Target pests

Cotton bollworm (10% emulsifiable concentrate 1000-1250 times dilution), cabbage worm (1000-2000 times dilution), tea looper (2500-5000 times dilution).

Advantages: Fast knockdown speed, long-lasting effect (>60 days), and relatively slow development of pest resistance.


2. Hygiene and Pest Control in Livestock

Sanitary pests: Mosquitoes, flies, cockroaches (10% emulsifiable concentrate 0.01-0.03 ml/m³ residual spray).

Livestock application

Prevention and control of external parasites in animals (such as wool mothproofing, with an addition amount of 200 mg/kg).

Textile mosquito repellent treatment (US EPA certified, for military uniforms).


3. Disabled scenarios:

Rice fields, flowering crops, and beekeeping areas (highly toxic to aquatic organisms and bees).


Permethrin CAS 52645-53-1 safety

1. Toxicity data

Mammals

Acute oral LD₅₀ in rats: 430-4000 mg/kg (due to differences in isomer ratios).

Acute percutaneous LD₅₀ in rabbits: >2000 mg/kg; Mild eye irritation, no skin sensitization.

Carcinogenicity: Classified as a Group 3 carcinogen by the WHO (insufficient evidence).

Ecological toxicity

Fish: Rainbow trout LC₅₀ (96h) 0.0032 mg/L (highly toxic).

Bees: Exposure LD₅₀ 0.029 μg per bee (highly toxic).

Birds: Quail LD₅₀ >13,500 mg/kg (low toxicity).


2. Human exposure risk

Route of contact: Skin/Respiratory tract/digestive tract; It has low lipid solubility and is not easily absorbed through the skin.

Acute symptoms

Skin tingling, redness and swelling (no erythema); Nausea, diarrhea and convulsions caused by accidental ingestion; Inhalation causes pulmonary edema.

Protective requirements

When operating, wear a full-face gas mask, nitrile gloves, goggles and anti-static clothing.

In case of leakage, adsorb with sand and soil and incinerate (do not discharge into water bodies).


Deshangchemical Info

  • ● Comgpany name : Shandong Deshang Chemicals Co., Ltd.
  • ● Main products : Treatments, sedimentation agents, flame retardants, catalysts, matte pigments, talcum powder, PVC additives, antifreeze agents, cellulose, cleaning agents, coconut oil, hydroxyethyl, cosmetics, matte agents, betaine, disinfectants, photosensitizers, humidifying agents, blue pigments, curing agents, potassium formate, sodium formate, cyclohexanol, preservatives, grinding aids.
  • ● Date of establishment : 2022-03-11
  • ● Total Employees : 200+
  • ● Registered capital: 10000000 RMB
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