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184.1434 Magnesium phosphate.

Home > Regulations > Direct food substances affirmed as generally recognized as safe > 184.1434 Magnesium phosphate.



[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: 21CFR184.1434]

[Page 537]
 
                        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.  184.1434  Magnesium phosphate.

    (a) Magnesium phosphate includes both magnesium phosphate, dibasic, 
and magnesium phosphate, tribasic. Magnesium phosphate, dibasic 
(MgHPO4[middot]3H2O, CAS Reg. No. 7782-0975-094) 
occurs naturally as the white, crystalline mineral newberyite. It is 
prepared commercially as a precipitate formed by treating a solution of 
magnesium sulfate with disodium phosphate under controlled conditions. 
Magnesium phosphate, tribasic 
(Mg3(PO4)2[middot]xH2O, CAS Reg. No. 
7757-87-1) may contain 4, 5, or 8 molecules of water of hydration. It is 
produced as a precipitate from a solution of magnesite with phosphoric 
acid.
    (b) Magnesium phosphate, dibasic, meets the specifications of the 
Food Chemicals Codex, 3d Ed. (1981), p. 179, which is incorporated by 
reference. Magnesium phosphate, tribasic, meets the specifications of 
the Food Chemicals Codex, 3d Ed. (1981), p. 180, 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 and a pH control agent as defined in 
Sec.  170.3(o)(23) of this chapter.
    (2) The ingredient is used in foods at levels not to exceed current 
good manufacturing practice. The ingredient also may be used in infant 
formula in accordance with section 412(g) of the Federal Food, Drug, and 
Cosmetic Act (the act) or with regulations promulgated under section 
412(a)(2) of the Act.
    (d) Prior sanctions for this ingredient different from the uses 
established in this section do not exist or have been waived.

[50 FR 13560, Apr. 5, 1985, as amended at 69 FR 24512, May 4, 2004]





Additives that reference this regulation:


Source: U.S. Code of Federal Regulations - CFR Title 21, Part 184, Section 1434


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