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U.S. Department of Health and Human Services

Threshold of Regulation (TOR) Exemptions

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TOR number 1999-006

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: Bromochloro-5,5-dimethylhydantoin
(equimolar mixture of 1-bromo-3-chloro-5,5-dimethylhydantoin, CAS Reg. No. 16079-88-2; 3-bromo-1-chloro-5,5-dimethylhydantoin, CAS Reg. No. 126-06-7; 1,3-dibromo-5,5-dimethylhydantoin, CAS Reg. No. 77-48-5; and 1,3-dichloro-5,5-dimethylhydantoin, CAS Reg. No. 118-52-5)
Use Limitations*: As a slimicide in the manufacture of food-contact paper and paperboard at a maximum use level of 150 ppm on a dry pulp weight basis. As a slimicide in the manufacture of food-contact paper and paperboard at a maximum use level of 150 ppm by weight expressed on a dry solids basis (i.e., pulp, fillers and other materials found in the finished paper) provided the dimethylhydantoin hydrolysis product of the additive is not substantive to the pulp, fillers or any other additive remaining with the finished paper.
Requestor: Keller and Heckman on behalf of Great Lakes Chemical Corporation

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

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