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    Permethrin 25% EC

     

  • Product Specification
    • Name of the Product
    • Permethrin 25% EC
    • Pack Shot
    • Permethrin content
    • Permethrin 250 g/l ± 6% declared content
    • Class
    • Synthetic Pyrethroid
    • CAS Number
    • 52645-53-1
    • Empirical formula
    • C21H20Cl2O3
    • Chemical Name
    • 3-phenoxybenzyl (1RS,3RS;1RS,3SR)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate

    • Structural Formula    
    • Structural formula of permethrin
    • Molecular Weight
    • 391.3
    • Description
    • The material shall consist of technical permethrin complying with the requirements of FAO Specification 331/TC/S (1991), dissolved in suitable solvents and with any other necessary formulants. It shall be in the form of a stable liquid, free from visible suspended matter and sediment.

    • Water content
    • Maximum 3 g/kg

    • Acidity
    • Maximum acidity: 1.5 g/kg calculated as H2SO4

    • Emulsion stability and re-emulsification

    • After the heat stability test, the product, when diluted at 300C with CIPAC Standard Waters A and C, shall comply with the following:

      Time after dilution   Limits of stability

      0 h     Initial emulsification complete
      0.5 h   'Cream', maximum: 1 ml
      2.0 h    'Cream', maximum: 2 ml
      'Free oil': nil

      24 h     Re-emulsification complete
      24.5 h   'Cream', maximum: 2 ml
      'Free oil', maximum: 2 ml

    • Flash Point
    • If required, the flash point of the product shall not be lower than 230C declared flash point. A closed cup method shall be used and the method stated

    • Storage stability
    • Stability at 0 ±10C
      After storage at 0 ±10C for 7 days, the volume of solid and/or liquid which separates shall be not more than 0.3 ml.

      Stability at 54 ± 20C

      After storage at 54 ± 20C for 14 days, the product shall continue to comply with permethrin content and acidity.