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§ 184.1304 Ferric pyrophosphate.
（a） Ferric pyrophosphate （iron （III） pyrophosphate, Fe4（P207）3·xH2O, CAS Reg. No. 10058–44–3） is a tan or yellowish white colorless powder. It is prepared by reacting sodium pyrophosphate with ferric citrate.
（b） The ingredient meets the specifications of the Food Chemicals Codex, 3d Ed. （1981）, p. 120, which is incorporated by reference. Copies are available from the National Academy Press, 2101 Constitution Ave. NW., Washington, DC 20418, or available for inspection at the National Archives and Records Administration （NARA）. For information on the availability of this material at NARA, call 202–741–6030, or go to:http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html.
（c） In accordance with§184.1（b）（1）, the ingredient is used in food as a nutrient supplement as defined in§170.3（o）（20） of this chapter, with no limitation other thancurrent good manufacturing practice. The ingredient may also be used in infant formula in accordance with section 412（g） of theFederal Food, Drug, and Cosmetic Act（the act） （21 U.S.C. 350a（g）） or with regulations promulgated under section 412（a）（2） of the act （21 U.S.C. 350a（a）（2））.
（d） Prior sanctions for this ingredient different from the uses established in this section do not exist or have been waived.
[53 FR 16865, May 12, 1988; 53 FR 20939, June 7, 1988]
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