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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. 955

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Food Contact Substance:  Tetrakis (hydroxymethyl) phosphonium sulfate (THPS) (CAS Reg. No. 55566-30-8).
Notifier:  Rhodia, Inc.
Manufacturer:  Rhodia, Inc.
Intended Use:  As a preservative in coatings intended for use on paper and paperboard that may contact food.
Effective Date:  06/17/2010
Limitations/Specifications:  The FCS may be used at levels not to exceed 400 ppm in water-based coatings, starches, pigments, and filler slurries that may contact all food types under all Conditions of Use, as identified in Tables 1 and 2.
Environmental Impact Decisions:  Environmental Decisions Site