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Label & SDS

EPA Label: link

Registration information

  • U.S. EPA Registration number: 34743-11
  • U.S. EPA Status: CANCELLED

Description

'Du-well 7.5% Algaecide' is an algaecide. Its Federal EPA registration number is: 34743-11. It was originally approved by EPA on 01 Nov 1985. Its registration got cancelled on 22 Jan 1991. It has a 'Danger' signal word. It has the following active ingredients: Alkyl* dimethyl benzyl ammonium chloride *(60%C14, 30%C16, 5%C18, 5%C12) and Dialkyl* methyl benzyl ammonium chloride *(60% C14, 30% C16, 5% C18, 5% C12). It's approved for 4 sites including hot tubs, spas, swimming pool water, and whirlpool bath water. It is also approved for 5 pests and pest groups including but not limited to algae, chlorella pyreniodosa, lyngbya versicolor, phormidium inundatum, and phormidium retzii.

Original registration date:

  • 01 Nov 1985

Cancellation date:

  • 22 Jan 1991

Alternative names:

  • DU-WELL 7.5% ALGAECIDEActive

Registrant:

  • IONICS INC
    D/b/a Elite Chemicals
  • Address:
    Po Box 923
    Watertown, MA 02471

Active ingredients:

  • Alkyl* dimethyl benzyl ammonium chloride *(60%c14, 30%c16, 5%c18, 5%c12) 6.3%
  • Dialkyl* methyl benzyl ammonium chloride *(60% c14, 30% c16, 5% c18, 5% c12) 1.2%
  • Other ingredients 92.5%

Signal word:

  • Danger

Product type:

  • Algaecide

Formulation:

  • Ready-to-Use Solution

Registered target pests:

  • Algae
  • Chlorella pyreniodosa
  • Lyngbya versicolor
  • Phormidium inundatum
  • Phormidium retzii

Registered target sites:

  • Hot tubs (outdoor) (water treatment)
  • Spas (outdoor) (water treatment)
  • Swimming pool water
  • Whirlpool bath water