H. C. 331

Label & SDS

EPA Label: link

Registration information

• U.S. EPA Registration number: 33827-5
• U.S. EPA Status: CANCELLED

Description

'H. C. 331' is an algaecide and microbicide/microbistat. Its Federal EPA registration number is: 33827-5. It was originally approved by EPA on 30 Nov 1987. Its registration got cancelled on 10 Oct 1989. It has a 'Warning' signal word. It has the following active ingredients: Carbamodithioic acid, cyano-, disodium salt and Metam-Potassium. It's approved for 1 sites including cooling tower water. It is also approved for 2 pests and pest groups including but not limited to algae and slime-forming bacteria.

Original registration date:

• 30 Nov 1987

Cancellation date:

• 10 Oct 1989

Alternative names:

• H. C. 331Active

Registrant:

• HYDRO-CHEM CORP
  
• Address:
  21010 Center Ridge Rd
  Cleveland, OH 44116

Active ingredients:

• Carbamodithioic acid, cyano-, disodium salt 3.68%
• Metam-potassium 5.07%
• Other ingredients 91.25%

Signal word:

• Warning

Product type:

• Algaecide
• Microbicide/microbistat

Formulation:

• Ready-to-Use Solution

Registered target pests:

• Algae
• Slime-forming bacteria

Registered target sites:

• Cooling tower water