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184.1428 Magnesium hydroxide.

Home > Regulations > Direct food substances affirmed as generally recognized as safe > 184.1428 Magnesium hydroxide.



[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: 21CFR184.1428]

[Page 536]
 
                        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.  184.1428  Magnesium hydroxide.

    (a) Magnesium hydroxide (Mg(OH)2, CAS Reg. No. 1309-42-8) 
occurs naturally as the colorless, crystalline mineral brucite. It is 
prepared as a white precipitate by the addition of sodium hydroxide to a 
water soluble magnesium salt or by hydration of reactive grades of 
magnesium oxide.
    (b) The ingredient meets the specifications of the Food Chemicals 
Codex, 3d Ed. (1981), p. 178, 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 Sec.  184.1(b)(1), the ingredient is used in 
food with no limitation other than current good manufacturing practice. 
The affirmation of this ingredient as generally recognized as safe 
(GRAS) as a direct human food ingredient is based upon the following 
current good manufacturing practice conditions of use:
    (1) The ingredient is used as a nutrient supplement as defined in 
Sec.  170.3(o)(20) of this chapter; a pH control agent as defined in 
Sec.  170.3(o)(23) of this chapter; and a processing aid as defined in 
Sec.  170.3(o)(24) of this chapter.
    (2) The ingredient is used in foods at levels not to exceed 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.

[50 FR 13559, Apr. 5, 1985, as amended at 64 FR 405, Jan. 5, 1999]





Additives that reference this regulation:


Source: U.S. Code of Federal Regulations - CFR Title 21, Part 184, Section 1428


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