Penco Endothal Aquatic Weed Killer

Label & SDS

EPA Label: link

Registration information

• U.S. EPA Registration number: 4581-139
• U.S. EPA Status: CANCELLED

Description

'Penco Endothal Aquatic Weed Killer' is an algaecide and herbicide. Its Federal EPA registration number is: 4581-139. It was originally approved by EPA on 01 Jul 1960. Its registration got cancelled on 01 Jul 1987. It has a 'Warning' signal word. It has the following active ingredients: 7-Oxabicyclo(2.2.1)heptane-2,3-dicarboxylic acid, disodium salt. It's approved for 5 sites including canals, lake margins, lakes, pond margins, and ponds. It is also approved for 16 pests and pest groups including but not limited to american pondweed, aquatic weeds, burreed, coontail, curlyleaf pondweed, fineleaf pondweed, flatstem pondweed, floatingleaf pondweed, heteranthera, and largeleaf pondweed.

Original registration date:

• 01 Jul 1960

Cancellation date:

• 01 Jul 1987

Alternative names:

• PENCO AQUATHOLActive
• PENCO ENDOTHAL AQUATIC WEED KILLERInactive

Registrant:

• UNITED PHOSPHORUS, INC.
  
• Address:
  630 Freedom Business Center, Suite 402
  King Of Prussia, PA 19406

Active ingredients:

• 7-oxabicyclo(2.2.1)heptane-2,3-dicarboxylic acid, disodium salt 19.2%
• Other ingredients 80.8%

Signal word:

• Warning

Product type:

• Algaecide
• Herbicide

Formulation:

• Ready-to-Use Solution

Registered target pests:

• American pondweed
• Aquatic weeds
• Burreed
• Coontail
• Curlyleaf pondweed
• Fineleaf pondweed
• Flatstem pondweed
• Floatingleaf pondweed
• Heteranthera
• Largeleaf pondweed
• Naiad
• Sago pondweed
• Small pondweed
• Watermilfoil
• Waterthread pondweed
• Zannichellia

Registered target sites:

• Canals (standing)
• Lake margins (water treatment)
• Lakes (standing) (water treatment)
• Pond margins (water treatment)
• Ponds (standing) (water treatment)