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Label & SDS

EPA Label: link

Registration information

  • U.S. EPA Registration number: 1706-67
  • U.S. EPA Status: CANCELLED

Description

'Nalco D-1891 Microorganism Control Chemical' is an algaecide and bacteriostat. Its Federal EPA registration number is: 1706-67. It was originally approved by EPA on 30 Mar 1965. Its registration got cancelled on 01 Jul 1987. It has a 'Warning' signal word. It has the following active ingredients: 1,3-Dichloro-5,5-dimethylhydantoin. 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:

  • 30 Mar 1965

Cancellation date:

  • 01 Jul 1987

Alternative names:

  • NALCO 209 MICROORGANISM CONTROL CHEMICALActive
  • NALCO 43 W 09Alternate
  • NALCO 43 WO9Alternate
  • NALCO D-1891 MICROORGANISM CONTROL CHEMICALInactive

Registrant:

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

Active ingredients:

  • 1,3-dichloro-5,5-dimethylhydantoin 25%
  • Other ingredients 75%

Signal word:

  • Warning

Product type:

  • Algaecide
  • Bacteriostat

Formulation:

  • Soluble Concentrate

Registered target pests:

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

Registered target sites:

  • Cooling tower water