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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. 168

 
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Food Contact Substance:  An approximately 1:1 ratio mixture of hydroxymethyl-5,5-dimethylhydantoin (MMDMH) (CAS Reg. No. 27636-82-4) and 1,3-bis(hydroxymethyl)-5,5-dimethylhydantoin (DMDMH) (CAS Reg. No. 6440-58-0), containing up to 8.5 percent by weight dimethylhydantoin.
 
Notifier:  Lonza, Inc.
 
Manufacturer:  Lonza, Inc.
 
Intended Use:  As adjuvants in the bleaching of recycled paper and paperboard.
 
Effective Date:  11/28/2001
 
Limitations/Specifications:  1. A mixture of MMDMH and DMDMH containing up to 8.5 percent dimethylhydantoin will be applied to process water during the bleaching of recycled paper at a maximum rate of 180 parts per million (ppm) combined hydantoins. 2. Recycled paper and paperboard manufactured with MMDMH and DMDMH containing up to 8.5 percent dimethylhydantoin can be used in contact with all types of food under Conditions of Use D through H , as described in Tables 1 and 2 respectively.
 
Environmental Impact Decisions:  Environmental Decisions Site
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