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Label & SDS

EPA Label: link

Registration information

  • U.S. EPA Registration number: 1706-157
  • U.S. EPA Status: CANCELLED

Description

'Nalco 7331' is an algaecide and microbicide/microbistat. Its Federal EPA registration number is: 1706-157. It was originally approved by EPA on 23 Sep 1981. Its registration got cancelled on 01 Jul 1987. It has a 'Danger' signal word. It has the following active ingredients: 2-Methyl-3(2H)-isothiazolone and 5-Chloro-2-methyl-3(2H)-isothiazolone. It's approved for 3 sites including air washer water, brewery pasteurizer water, and 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:

  • 23 Sep 1981

Cancellation date:

  • 01 Jul 1987

Alternative names:

  • NALCO 7331Active

Registrant:

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

Active ingredients:

  • 2-methyl-3(2h)-isothiazolone 0.35%
  • 5-chloro-2-methyl-3(2h)-isothiazolone 1.15%
  • Other ingredients 98.5%

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:

  • Air washer water
  • Brewery pasteurizer water
  • Cooling tower water