Pyrimidifen

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Chemical Identification | General Product Information | Physical & Safety Data

Chemical Identification

Common Name

Pyrimidifen

中文通用名

嘧螨醚

IUPAC

5-chloro-N-{2-[4-(2-ethoxyethyl)-2,3-dimethylphenoxy]ethyl}-6-ethylpyrimidin-4-amine

CAS

5-chloro-N-[2-[4-(2-ethoxyethyl)-2,3-dimethylphenoxy]ethyl]-6-ethyl-4-pyrimidinamine

CAS No.

105779-78-0

Molecular Formula

C₂₀H₂₈ClN₃O₂

Molecular Structure

General Product Information

Category

Insecticides > Pyrimidinamine insecticides
Acaricides / Miticides > Pyrimidinamine acaricides

Activity

Acaricide/Miticide.Pyrimidifen controls all life stages of mites. It is a contact and stomach poison.

CropUse

CropUses:
apples, cabbages, citrus, cotton, fruits, ornamentals, strawberries, tea, tomatoes, vegetables

25-150 g ai/ha

Physical & Safety Data

Physical Properties

Molecular weight:377.9; Physical form:Colourless crystals. Density:1.22 (20 °C); Melting point:69.4-70.9 °C; Vapour pressure:1.6 × 10-4 mPa (25 °C); Henry constant:2.09 × 10-10 Pa m3 mol-1 (calc.); Partition coefficient(n-octanol and water):logP = 4.59 (23 °C); Solubility:In water 2.17 mg/l (25 °C).; Stability:Stable in acid and alkali.Solubility at 25°C in acetonitrile 97 g/l, methanol 276 g/l, n-hexane 34 g/l, xylene 364 g/l, dimethylsulfoxide 307 g/l.

Toxicology

(Rat): Oral LD₅₀ 148 mg/kg (male), 115 mg/kg (female), Dermal LD₅₀ >2000 mg/kg (male, female).ADI:0.17-0.2 mg/ kg.

Environmental Profile

Ecotoxicology: