Virchem 503 Microorganism Control Chemical

Label & SDS

EPA Label: link

Registration information

• U.S. EPA Registration number: 1187-85
• U.S. EPA Status: CANCELLED

Description

'Virchem 503 Microorganism Control Chemical' is an algaecide. Its Federal EPA registration number is: 1187-85. It was originally approved by EPA on 04 Nov 1968. Its registration got cancelled on 21 Feb 1986. It has a 'Danger' signal word. It has the following active ingredients: Pentachlorophenol, sodium salt and Sodium 2,4,5-trichlorophenate. It's approved for 1 sites including 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:

• 04 Nov 1968

Cancellation date:

• 21 Feb 1986

Alternative names:

• VIRCHEM 503 MICROORGANISM CONTROL CHEMICALActive

Registrant:

• VIRGINIA CHEM INC
  
• Address:
  3340 W Noffolk Rd
  Portsmouth, VA 23703

Active ingredients:

• Pentachlorophenol, sodium salt 21.3%
• Sodium 2,4,5-trichlorophenate 11.9%
• Other ingredients 66.8%

Signal word:

• Danger

Product type:

• Algaecide

Formulation:

• Soluble Concentrate

Registered target pests:

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

Registered target sites:

• Cooling tower water