We use cookies to ensure you get the best experience on our website.

Label & SDS

EPA Label: link

Registration information

  • U.S. EPA Registration number: 1757-43
  • U.S. EPA Status: CANCELLED

Description

'Biosperse 212' is a microbicide/microbistat. Its Federal EPA registration number is: 1757-43. It was originally approved by EPA on 03 Nov 1972. Its registration got cancelled on 24 Oct 2003. It has a 'Danger' signal word. It has the following active ingredients: Alkyl* dimethyl benzyl ammonium chloride *(50%C14, 40%C12, 10%C16), Alkyl* dimethyl benzyl ammonium chloride *(60%C14, 30%C16, 5%C18, 5%C12), and Dialkyl* methyl benzyl ammonium chloride *(60% C14, 30% C16, 5% C18, 5% C12). It's approved for 4 sites including cooling tower water, cooling tower wood, pasteurizer water, and secondary oil recovery injection water. It is also approved for 5 pests and pest groups including but not limited to algae, fungi, slime-forming bacteria, slime-forming fungi, and sulfate-reducing bacteria.

Original registration date:

  • 03 Nov 1972

Cancellation date:

  • 24 Oct 2003

Alternative names:

  • ANEREX 201Inactive
  • BIOSPERSE 212Active

Registrant:

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

Active ingredients:

  • Alkyl* dimethyl benzyl ammonium chloride *(50%c14, 40%c12, 10%c16) 5.2%
  • Alkyl* dimethyl benzyl ammonium chloride *(60%c14, 30%c16, 5%c18, 5%c12) 4.98%
  • Dialkyl* methyl benzyl ammonium chloride *(60% c14, 30% c16, 5% c18, 5% c12) 0.02%
  • Other ingredients 89.8%

Signal word:

  • Danger

Product type:

  • Microbicide/microbistat

Formulation:

  • Ready-to-Use Solution

Registered target pests:

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

Registered target sites:

  • Cooling tower water
  • Cooling tower wood
  • Pasteurizer water
  • Secondary oil recovery injection water