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Label & SDS

EPA Label: link

Registration information

  • U.S. EPA Registration number: 1706-143
  • U.S. EPA Status: CANCELLED

Description

'Nalco 4wc-239 Microorganism Control Chemical' is an algaecide, bacteriostat, and fungicide. Its Federal EPA registration number is: 1706-143. It was originally approved by EPA on 26 Nov 1975. Its registration got cancelled on 01 Oct 1987. It has a 'Danger' signal word. It has the following active ingredients: Methylene bis(thiocyanate) and Tributyltin oxide (NO INERT USE). 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:

  • 26 Nov 1975

Cancellation date:

  • 01 Oct 1987

Alternative names:

  • NALCO 4WC-239 MICROORGANISM CONTROL CHEMICALActive

Registrant:

  • NALCO COMPANY, LLC
    A Subsidiary Of Ecolab, Inc.
  • Address:
    1601 West Diehl Road
    Naperville, IL 60563

Active ingredients:

  • Methylene bis(thiocyanate) 10%
  • Tributyltin oxide (no inert use) 1%
  • Other ingredients 89%

Signal word:

  • Danger

Product type:

  • Algaecide
  • Bacteriostat
  • Fungicide

Formulation:

  • Pelleted/Tableted

Registered target pests:

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

Registered target sites:

  • Cooling tower water