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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. 165

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Food Contact Substance:  Polyphenylene sulfide (CAS Reg. No. 25212-74-2 or 26125-40-6).
Notifier:  Polyplastics
Manufacturer:  Polyplastics and Kureha
Intended Use:  Component of repeated use food-contact articles.
Effective Date:  10/16/2001
Limitations/Specifications:  The polyphenylene sulfide polymers are to be manufactured by the equimolar reaction of sodium sulfide and p-dichlorobenzene using the synthetic scheme described in the notification. The finished polymer has a melt temperature (Tm) of 272-283°C and an average molecular weight ranging from 25,000 to 100,000 Daltons. The polymer will be used under conditions of use A through H and in contact with all types of food.
Environmental Impact Decisions:  Environmental Decisions Site