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U.S. Department of Health and Human Services

Inventory of Effective Food Contact Substance (FCS) Notifications

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FCN No. 999

Thor GmbH

According to Section 409(h)(1)(C) of the Federal Food, Drug, and Cosmetic Act, food contact substance notifications (FCNs) are effective only for the listed manufacturer and its customers. Other manufacturers must submit their own FCN for the same food contact substance and intended use.
Food Contact Substance: Mixture of 5-chloro-2-methyl-4-isothiazolin-3-one (CIT; CAS Reg. No. 26172-55-4) and 2-methyl-4-isothiazolin-3-one (MIT; CAS Reg. No. 2682-20-4) at a ratio of 9 parts to 1 by weight.
Notifier: Thor Specialties Inc.
Manufacturer/Supplier: Thor GmbH
Intended Use: For use as an antimicrobial agent for finished coating formulations and for additives used in the manufacture of paper and paperboard including fillers, binders, pigment slurries, and sizing solutions.
Limitations/Specifications: The FCS will not be used in excess of 21 parts per million CIT/MIT (9:1) in the coating formulations and additives.
Effective Date: Nov 18, 2010
National Environmental Policy Act (NEPA)** Submission: Environmental Assessment (in PDF, 2.2 MB)
FDA Decision: Finding of No Significant Impact (FONSI)
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