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U.S. Department of Health and Human Services

Threshold of Regulation (TOR) Exemptions

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TOR No. 2014-001

Threshold of Regulation Exemptions are generally applicable and are effective for the food contact substance (FCS) for the listed intended use regardless of manufacturer or supplier.
Food Contact Substance: 4-hydroxy-2,2,6,6-tetramethylpiperidinooxy (CAS Reg. No. 2226-96-2)
Use Limitations*: For use as an inhibitor in the polymerization of thermosetting styrenated polyester resins complying with 21 CFR 177.2420. The food contact substance (FCS) may be used at a level not to exceed 0.08 % by weight of the finished resin. If used with other inhibitors allowed for use in resins complying with 21 CFR 177.2420, the total combined use level of all inhibitors cannot exceed 0.08 % by weight of the finished resin. The finished resin is intended for use as articles or components of articles for repeated use in contact with food, provided the finished resins meet the extractive limitations in 21 CFR 177.2420(c) and the finished articles are thoroughly cleansed prior to their first use in contact with food in accordance with 21 CFR 177.2420(d).
Requestor: Interplastic Corporation
Quick Links to regulations in 21 CFR (referenced above): 177.2420

*For references to food types and conditions of use, see Food Types & Conditions of Use for Food Contact Substances.

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