CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER B—FOOD FOR HUMAN CONSUMPTION (parts 100 to 191) > PART 184—DIRECT FOOD SUBSTANCES AFFIRMED AS GENERALLY RECOGNIZED AS SAFE > SUBPART B—Listing of Specific Substances Affirmed as GRAS (§184.1005 to §184.1985) > 184.1307—Ferric sulfate.

184.1307—Ferric sulfate.

(a) Ferric sulfate (iron (III) sulfate, Fe2 (SO4 )3 CAS Reg. No. 10028-22-5) is a yellow substance that may be prepared by oxidizing iron (II) sulfate or by treating ferric oxide or ferric hydroxide with sulfuric acid.
(b) The ingredient must be of a purity suitable for its intended use.
(c) In accordance with § 184.1(b)(1), the ingredient is used in food as a flavoring agent as defined in § 170.3(o)(12) of this chapter, with no limitation other than current good manufacturing practice.
(d) Prior sanctions for this ingredient different from the uses established in this section do not exist or have been waived.

Code of Federal Regulations

[53 FR 16865, May 12, 1988, as amended at 73 FR 8607, Feb. 14, 2008]