Welcome to GlobalChemMall

ALL CATEGORIES
Categories
0
Wishlist
Home > All categories> Agrochemicals> Pesticides> Insecticides> Esfenvalerate
Picture of Esfenvalerate

Esfenvalerate

Get Latest Price >

FOB Price contact us for price

Origin: China

Cas No: 66230-04-4

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

Vendor:

Payment Terms:

Inquiry now

* Send an Inquiry to us

Add to wishlist

* Name your price
* Start order doesn't mean buying now

  • Products Specification
  • Product Description

  • Property

    CAS No.: 66230-04-4 Formula: C25H22ClNO3 Molecular Weight: 419.90000

    Description

    Esfenvalerate is a synthetic pyrethroid insecticide marketed under the brand Asana. It is the (S)-enantiomer of fenvalerate.
    In the United States, a limit of .05 ppm of the chemical's residue is permissible in food.

    Basic Info

    Chemical Name Esfenvalerate
    Synonyms

    (S)-cyano(3-phenoxyphenyl)methyl (αS)-4-chloro-α-(1-methylethyl)benzeneacetate;
    S,S-fenvalerate;
    (S)-cyano(3-phenoxyphenyl)methyl (2S)-2-(4-chlorophenyl)-3-methylbutanoate;
    (αS)-α-cyano-3-phenoxybenzyl (2S)-2-(4-chlorophenyl)-3-methylbutyrate;

    CAS No. 66230-04-4
    Molecular Formula C25H22ClNO3
    Molecular Weight 419.90000
    PSA 59.32000
    LogP 6.67998

    Properties

    Appearance & Physical State COLOURLESS TO WHITE CRYSTALS.
    Density 1.21 g/cm3
    Boiling Point 151-167ºC
    Melting Point 59ºC
    Flash Point 279.7ºC
    Refractive Index 1.586
    Stability Pyrethrins are stable for long periods in water-based aerosols where emulsifiers give neutral water systems.
    Storage Condition 0-6ºC

    Safety Info

    RTECS CY1576367
    Hazard Class 6.1(b)
    Safety Statements S24-S36/37/39-S45-S60-S61
    HS Code 2926909090
    Packing Group III
    RIDADR UN 2811
    Risk Statements R23/25; R43; R50/53
    Hazard Codes T; N

    Synthesis Route

    α-cyano-3-phenoxybenzyl S-(+)-2-(4-chlorophenyl)isovalerate→(R)-α-cyano-3-phenoxybenzyl (S)-2-(4-chlorophenyl)-3-methylbutyrate+Esfenvalerate
    Sodium cyanide+S-(+)-2-(4-chlorophenyl)isovaleryl chloride→Esfenvalerate
    3-Methyl-2-(4-Chlorophenyl)Butyryl Chloride+3-PHENOXYBENZALDEHYDE CYANOHYDRIN, 70 WT% SOLUTION IN ETHER→(R)-α-cyano-3-phenoxybenzyl (S)-2-(4-chlorophenyl)-3-methylbutyrate+Esfenvalerate

    GC Analysis

    Column type Active phase Temperature (°C) Retention Index (I) Temperature Control Method
    Capillary Methyl Silicone - 2861. custom temperature program

    Toxicity

    Exposure Route Type of Test Species Observed Dose/Duration Toxic Effects
    Oral LD50 - Lethal dose, 50 percent kill Rodent - rat 325 mg/kg 1.Details of toxic effects not reported other than lethal dose value
    Administration onto the skin LD50 - Lethal dose, 50 percent kill Rodent - rat >5 gm/kg 1.Details of toxic effects not reported other than lethal dose value
    Administration onto the skin LD50 - Lethal dose, 50 percent kill Rodent - rabbit >2 gm/kg 1.Details of toxic effects not reported other than lethal dose value

    Precursor

    α-cyano-3-phenoxybenzyl S-(+)-2-(4-chlorophenyl)isovalerate
    3-Methyl-2-(4-Chlorophenyl)Butyryl Chloride
    S-(+)-2-(4-chlorophenyl)isovaleryl chloride
    3-Phenoxy-benzaldehyde

Hot tags: esfenvalerate, China, manufacturers, suppliers, factory, wholesale, low price, high quality
You may also like