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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. 569

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Food Contact Substance:  A mixture of 5-chloro-2-methyl-4-isothiazolin-3-one (CAS Reg. No. 26172-55-4) and 2-methyl-4-isothiazolin-3-one (CAS Reg. No. 2682-20-4) at a ratio of 3 parts to 1 part by weight. The mixture may contain magnesium or sodium nitrate at a 1 to 1 ratio (weight/weight) with the sum of the isothiazolinone ingredients.
Notifier:  Thor GmbH
Manufacturer:  Thor GmbH
Intended Use:  As an antimicrobial agent in polymer latex solutions intended for use in adhesives complying with 21 CFR 175.105.
Effective Date:  03/21/2006
Limitations/Specifications:  For use at temperatures not to exceed 120°F.
Environmental Impact Decisions:  Environmental Decisions Site