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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. 99

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Food Contact Substance:  Hydroxymethyl-5,5-dimethylhydantoin (MMDMH)(CAS Reg. No. 27636-82-4), mixture with 1,3-bis(hydroxymethyl)-5,5-dimethylhydantoin (DMDMH) (CAS Reg. No. 6440-58-0).
Notifier:  Lonza, Inc.
Manufacturer:  Lonza, Inc.
Intended Use:  As adjuvants in the bleaching of recycled paper and paperboard intended to contact food.
Effective Date:  12/09/2000
Limitations/Specifications:  1. A mixture of MMDMH and DMDMH will be applied to process water during the bleaching of recycled paper at a maximum rate of 200 parts per million (ppm) combined hydantoins. 2. Paper and paperboard manufactured with MMDMH and DMDMH can be used under conditions of use D through H as described in Table 2.
Environmental Impact Decisions:  Environmental Decisions Site