1. Chinese common name: chlorempenthrin

2. Chinese alias: Chinese and Western aerosol, propargyl valerate

3. English common name: chlorempenthrin

4. English alias:

5. Molecular formula: C16H20O2Cl2

6. Pesticide category: sanitary insecticide

7. CA registration number:

8. Chemical classification: Pyrethroids

9. Mode of action: touch kill

10.Chemicalname: α-alkynyl-β-methyl-3-pentene-2,2-dimethyl-3-(2,2-dichlorovinyl)-cyclopropanecarboxylate

11. Analysis method: gas spectrometry (Q/CYCT 09-93)

12. Precautions: Toxic to fish, do not clean utensils and containers in lakes and ponds to avoid pollution.

13. Physical and chemical properties: light yellow to brown oily liquid, specific gravity 1.12, vapor pressure (25℃) 3.1×10^(-4) mmHg, easily soluble in acetone, ethanol, benzene and other organic solvents, insoluble in water. Easily hydrolyzed under alkaline conditions.

14. Toxicity

14.1. Symptoms of poisoning: It is a nerve agent, and the skin feels tingling at the contact site, especially around the mouth and nose but there is no erythema. Rarely cause systemic poisoning. High exposure can cause headache, dizziness, nausea, vomiting, shaking hands, convulsions or convulsions, coma, and shock.

14.2. First aid treatment: [1] There is no special antidote, but symptomatic treatment is available. [2] Gastric lavage can be performed when swallowed in large quantities. [3] Do not induce vomiting.

14.3. Precautions: Toxic to fish, do not clean utensils and containers in lakes and ponds to avoid pollution.

14.4. Allowable daily intake:

14.5. Acute oral LD50: 340mg/kg

14.6. Acute percutaneous LD50:

14.7. Toxicity in China: Moderate toxicity

14.8. Foreign toxicity: unknown

15. Action characteristics: a new type of pyrethroid insecticide with high efficiency and low toxicity, which has good effect on mosquitoes, flies and cockroaches. This product has the characteristics of high vapor pressure, good volatility and strong killing power.

16. Environment

16.1. Aquatic organisms: carp LC50 14.77ppb (48 hours)

16.2. Bees: LD50 (μg/bee) 0.20

16.3. Natural enemy: silkworm [contact toxicity μg/24 hours per head 0.00597