§ 184.1742 21 CFR Ch. I (4–1–14 Edition)

this section do not exist or have been § 184.1751 Sodium citrate. waived. (a) Sodium citrate (C6H5Na3O7·2H2O, [48 FR 52442, Nov. 18, 1983] CAS Reg. No. 68–0904–092) is the sodium salt of citric acid. It is prepared by § 184.1742 Sodium carbonate. neutralizing citric acid with sodium hydroxide or sodium carbonate. The (a) Sodium carbonate (Na2CO3, CAS Reg. No. 497–19–8) is produced (1) from product occurs as colorless crystals or purified trona ore that has been a white crystalline powder. It may be calcined to soda ash; (2) from trona ore prepared in an anhydrous state or may calcined to impure soda ash and then contain two moles of water per mole of purified; or (3) synthesized from lime- sodium citrate. stone by the Solvay process. (b) The ingredient meets the speci- (b) The ingredient meets the speci- fications of the Food Chemicals Codex, fications of the Food Chemicals Codex, 3d ed. (1981), pp. 283–284, which is incor- 3d Ed. (1981), p. 280, which is incor- porated by reference in accordance porated by reference. Copies are avail- with 5 U.S.C. 552(a) and 1 CFR part 51. able from the National Academy Press, Copies are available from the National 2101 Constitution Ave. NW., Wash- Academy Press, 2101 Constitution Ave. ington, DC 20418, or available for in- NW., Washington, DC 20418, and the spection at the National Archives and Center for Food Safety and Applied Nu- Records Administration (NARA). For trition (HFS–200), 5100 Paint Branch information on the availability of this Pkwy., College Park, MD 20740, or may material at NARA, call 202–741–6030, or be examined at the National Archives go to: http://www.archives.gov/ and Records Administration (NARA). federallregister/ For information on the availability of codeloflfederallregulations/ this material at NARA, call 202–741– 6030, or go to: http://www.archives.gov/ ibrllocations.html. federallregister/ (c) In accordance with § 184.1(b)(1), codeloflfederallregulations/ the ingredient is used in food with no ibrllocations.html. limitation other than current good (c) In accordance with § 184.1(b)(1), manufacturing practice. The affirma- the ingredient is used in food with no tion of this ingredient as generally rec- limitation other than current good ognized as safe (GRAS) as a direct manufacturing practice. human food ingredient is based upon (d) Prior sanctions for this ingredient the following current good manufac- different from the uses established in turing practice conditions of use: this section, or different from those set (1) The ingredient is used in food as forth in part 181 of this chapter, do not an antioxidant as defined in § 170.3(o)(3) exist or have been waived. of this chapter; curing and pickling agent as defined in § 170.3(o)(5) of this [59 FR 63896, Dec. 12, 1994] chapter; flavoring agent and adjuvant as defined in § 170.3(o)(12) of this chap- § 184.1754 Sodium diacetate. ter; pH control agent as defined in (a) Sodium diacetate (C4H7O4Na·xH2O, § 170.3(o)(23) of this chapter; and proc- CAS Reg. No. 126–96–5) is a molecular essing aid as defined in § 170.3(o)(24) of compound of acetic acid, sodium ace- this chapter. tate, and water of hydration. The tech- (2) The ingredient is used in food at nical grade is prepared synthetically levels not to exceed current good man- by reacting sodium carbonate with ace- ufacturing practice. tic acid. Special grades are produced by (d) Prior sanctions for this ingredient reacting anhydrous sodium acetate and different from the uses established in acetic acid. this section do not exist or have been (b) The ingredient meets the speci- waived. fications of the Food Chemicals Codex, 3d Ed. (1981), p. 284, which is incor- [48 FR 52442, Nov. 18, 1983, as amended at 50 porated by reference. Copies are avail- FR 49536, Dec. 3, 1985] able from the National Academy Press,

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