[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2006]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR184.1634]
[Page 554-555]
TITLE 21--FOOD AND DRUGS
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN
SERVICES (CONTINUED)
PART 184_DIRECT FOOD SUBSTANCES AFFIRMED AS GENERALLY RECOGNIZED AS
SAFE--Table of Contents
Subpart B_Listing of Specific Substances Affirmed as GRAS
Sec. 184.1634 Potassium iodide.
(a) Potassium iodide (KI, CAS Reg. No. 7681-11-0) is the potassium
salt of hydriodic acid. It occurs naturally in sea water and in salt
deposits, but can be prepared by reacting hydriodic acid (HI) with
potassium bicarbonate (KHCO3).
(b) The ingredient meets the specifications of the ``Food Chemicals
Codex,'' 3d Ed. (1981), pp. 246-247, which is incorporated by reference.
Copies may be obtained from the National Academy Press, 2101
Constitution Ave. NW., Washington, DC 20418, or may be examined 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) The ingredient is used as a nutrient supplement as defined in
Sec. 170.3(o)(20) of this chapter.
(d) The ingredient is used in table salt in accordance with Sec.
184.1(b)(2) of this chapter as a source of dietary iodine at a maximum
level of 0.01 percent.
(e) Prior sanctions for this ingredient different from the uses
established in
[[Page 555]]
this section do not exist or have been waived.
[43 FR 11699, Mar. 21, 1978, as amended at 49 FR 5613, Feb. 14, 1984; 61
FR 14247, Apr. 1, 1996]
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