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Label & SDS

EPA Label: link

Registration information

  • U.S. EPA Registration number: 10485-18
  • U.S. EPA Status: CANCELLED

Description

'Alpha 541' is an algaecide and microbicide/microbistat. Its Federal EPA registration number is: 10485-18. It was originally approved by EPA on 13 Oct 1975. Its registration got cancelled on 01 Jul 1987. It has a 'Danger' signal word. It has the following active ingredients: Pentachlorophenol, sodium salt. It's approved for 1 sites including cooling tower water. It is also approved for 3 pests and pest groups including but not limited to algae, slime-forming bacteria, and slime-forming fungi.

Original registration date:

  • 13 Oct 1975

Cancellation date:

  • 01 Jul 1987

Alternative names:

  • ALPHA 541Active

Registrant:

  • WESTERN UNICHEM
  • Address:
    Po Box 1499
    Hobbs, NM 88240

Active ingredients:

  • Pentachlorophenol, sodium salt 90%
  • Other ingredients 10%

Signal word:

  • Danger

Product type:

  • Algaecide
  • Microbicide/microbistat

Formulation:

  • Ready-to-Use Solution

Registered target pests:

  • Algae
  • Slime-forming bacteria
  • Slime-forming fungi (paper mills/water systems)

Registered target sites:

  • Cooling tower water