Biosperse 4505

Label & SDS

EPA Label: link

Registration information

• U.S. EPA Registration number: 1757-74
• U.S. EPA Status: CANCELLED

Description

'Biosperse 4505' is an algaecide and microbicide/microbistat. Its Federal EPA registration number is: 1757-74. It was originally approved by EPA on 25 Sep 1981. Its registration got cancelled on 24 Oct 2003. 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, cooling tower water, and evaporative condenser water. It is also approved for 5 pests and pest groups including but not limited to algae, deterioration/spoilage bacteria, fungi, slime-forming bacteria, and slime-forming fungi.

Original registration date:

• 25 Sep 1981

Cancellation date:

• 24 Oct 2003

Alternative names:

• BIOSPERSE 4505Active

Registrant:

• DREW INDUSTRIAL DIVISION
  Ashland Chemical Company, Division Of Ashland Inc.
• Address:
  One Drew Plaza
  Boonton, NJ 07005

Active ingredients:

• 2-methyl-3(2h)-isothiazolone 0.17%
• 5-chloro-2-methyl-3(2h)-isothiazolone 0.57%
• Other ingredients 99.26%

Signal word:

• Danger

Product type:

• Algaecide
• Microbicide/microbistat

Formulation:

• Ready-to-Use Solution

Registered target pests:

• Algae
• Deterioration/spoilage bacteria
• Fungi (e.g., metal working coolants)
• Slime-forming bacteria
• Slime-forming fungi (paper mills/water systems)

Registered target sites:

• Air washer water
• Cooling tower water
• Evaporative condenser water