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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. 11

 
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Food Contact Substance:  4,5-dichloro-2-n-octyl-3(2H)-isothiazolone
 
Notifier:  Rohm and Haas Company
 
Manufacturer:  Rohm and Haas Company
 
Intended Use:  As a preservative and slimicide in the manufacture of paper and paperboard intended to contact aqueous and fatty food.
 
Effective Date:  04/01/2000
 
Limitations/Specifications:  1. As a slimicide, in compliance with 21 CFR 176.300, at a maximum level of 0.034 pound per ton of dry weight fiber.2. As a mold-proofing agent applied to the surface of uncoated paper and paperboard and in coatings for paper and paperboard, in compliance with 21 CFR 176.170(b), at a level not to exceed 100 parts per million (ppm) based on dry fiber weight.3. As a preservative in wet lap and sheet pulp, in compliance with 21 CFR 176.170(a) prior to repulping to produce paper and paperboard, at a level not to exceed 100 parts per million (ppm) based on dry fiber weight.4. As a preservative in pigment dispersions, in compliance with 21 CFR 176.170(b), at a level not to exceed 50 parts per million (ppm).
 
Environmental Impact Decisions:  Environmental Decisions Site
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