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184.1643 Potassium sulfate.

Home > Regulations > Direct food substances affirmed as generally recognized as safe > 184.1643 Potassium sulfate.



[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: 21CFR184.1643]

[Page 555-556]
 
                        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.  184.1643  Potassium sulfate.

    (a) Potassium sulfate (K2SO4, CAS Reg. No. 
7778-80-5) occurs naturally and consists of colorless or white crystals 
or crystalline powder having a bitter, saline taste. It is prepared by 
the neutralization of sulfuric acid with potassium hydroxide or 
potassium carbonate.
    (b) The ingredient meets the specifications of the ``Food Chemicals 
Codex,'' 3d Ed. (1981), p. 252, 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 flavoring agent and adjuvant as 
defined in Sec.  170.3(o)(12) of this chapter.
    (d) The ingredient is used in food at levels not to exceed good 
manufacturing practice in accordance with Sec.  184.1(b)(1). Current 
good manufacturing practice results in a maximum level, as served, of 
0.015 percent for nonalcoholic beverages as defined in Sec.  170.3(n)(3) 
of this chapter.

[[Page 556]]

    (e) Prior sanctions for this ingredient different from the uses 
established in this section do not exist or have been waived.

[45 FR 6086, Jan. 25, 1980, as amended at 49 FR 5613, Feb. 14, 1984]





Additives that reference this regulation:


Source: U.S. Code of Federal Regulations - CFR Title 21, Part 184, Section 1643


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