Algae Block

Label & SDS

EPA Label: link

Registration information

• U.S. EPA Registration number: 57787-22
• U.S. EPA Status: CANCELLED

Description

'Algae Block' is an algaecide. Its Federal EPA registration number is: 57787-22. It was originally approved by EPA on 26 Mar 1997. Its registration got cancelled on 14 Oct 2008. It has a 'Danger' signal word. It has the following active ingredients: Alkyl* dimethyl benzyl ammonium chloride *(95%C14, 3%C12, 2%C16). It's approved for 3 sites including swimming pool surfaces and swimming pool water. It is also approved for 7 pests and pest groups including but not limited to algae, blue-green algae, chlorella pyreniodosa, green algae, lyngbya versicolor, phormidium inundatum, and phormidium retzii.

Original registration date:

• 26 Mar 1997

Cancellation date:

• 14 Oct 2008

Alternative names:

• ALGAE BLOCKActive

Registrant:

• HAVILAND CONSUMER PRODUCTS, INC.
  
• Address:
  421 Ann Street, Nw
  Grand Rapids, MI 49504

Active ingredients:

• Alkyl* dimethyl benzyl ammonium chloride *(95%c14, 3%c12, 2%c16) 100%
• Other ingredients 0%

Signal word:

• Danger

Product type:

• Algaecide

Formulation:

• Ready-to-Use Solution

Registered target pests:

• Algae
• Blue-green algae
• Chlorella pyreniodosa
• Green algae
• Lyngbya versicolor
• Phormidium inundatum
• Phormidium retzii

Registered target sites:

• Swimming pool surfaces
• Swimming pool water
• Swimming pool water (winterizer)