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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. 886

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Food Contact Substance:  2-2'-[1,3-phenylenebis(methylene)]bis[2,3-dihydro-1H-isoindol-1-one] (CAS Reg. No. 935739-41-6) (also known as m-Xylylenediamine-bis(phthalamide), MXBP), used in conjunction with cobalt neodecanoate (CAS Reg. No. 27253-31-2).
Notifier:  Constar International Inc.
Manufacturer:  Constar International Inc.
Intended Use:  As an oxygen scavenger in polyethylene terephthalate (PET) polymers
Effective Date:  07/22/2009
Limitations/Specifications:  MXBP will be used at levels not to exceed 1.45 wt-% of finished food-contact article in conjunction with cobalt neodecanoate used at levels not to exceed 0.02 wt-% (200 ppm) (measured as cobalt) of finished food-contact article. The modified polymers may be used to manufacture containers for contact with all food types, except for carbonated soft drinks and water, under the Conditions of Use C through G.
Environmental Impact Decisions:  Environmental Decisions Site