[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR184.1143]

[Page 481]
 
                        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. 184.1143  Ammonium sulfate.

    (a) Ammonium sulfate ((NH4)2SO4, 
CAS Reg. No. 7783-20-2) occurs naturally and consists of colorless or 
white, odorless crystals or granules. It is prepared by the 
neutralization of sulfuric acid with ammonium hydroxide.
    (b) The ingredient meets the specifications of the ``Food Chemicals 
Codex,'' 3d Ed. (1981), pp. 22-23, 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 
Office of the Federal Register, 800 North Capitol Street, NW., suite 
700, Washington, DC 20408.
    (c) The ingredient is used as a dough strengthener as defined in 
Sec. 170.3(o)(6) of this chapter, firming agent as defined in 
Sec. 170.3(o)(10) of this chapter, and processing aid as defined in 
Sec. 170.3(o)(24) 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 0.15 
percent for baked goods as defined in Sec. 170.3(n)(1) of this chapter 
and 0.1 percent for gelatins and puddings as defined in 
Sec. 170.1(n)(22) of this chapter.
    (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; 45 FR 16469, Mar. 14, 1980, as amended at 49 
FR 5611, Feb. 14, 1984]