Hercules Microbiocidal Compound MB 121

Label & SDS

EPA Label: link

Registration information

• U.S. EPA Registration number: 891-166
• U.S. EPA Status: CANCELLED

Description

'Hercules Microbiocidal Compound Mb 121' is an algaecide, bacteriostat, and fungicide. Its Federal EPA registration number is: 891-166. It was originally approved by EPA on 20 Jun 1972. Its registration got cancelled on 31 Dec 1987. It has a 'Danger' signal word. It has the following active ingredients: Methylene bis(thiocyanate). It's approved for 1 sites including cooling tower water. It is also approved for 4 pests and pest groups including but not limited to algae, slime-forming bacteria, slime-forming fungi, and yeasts.

Original registration date:

• 20 Jun 1972

Cancellation date:

• 31 Dec 1987

Alternative names:

• HERCULES MICROBIOCIDAL COMPOUND MB 121Active

Registrant:

• HERCULES INC.
  Regulatory Affairs
• Address:
  1313 N. Market Street
  Wilmington, DE 19894

Active ingredients:

• Methylene bis(thiocyanate) 10%
• Other ingredients 90%

Signal word:

• Danger

Product type:

• Algaecide
• Bacteriostat
• Fungicide

Formulation:

• Ready-to-Use Solution

Registered target pests:

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

Registered target sites:

• Cooling tower water