[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2005]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR184.1095]

[Page 491-492]
 
                        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. 184.1095  Sulfuric acid.

    (a) Sulfuric acid (H2SO4, CAS Reg. No. 7664-
93-9), also known as oil of vitriol, is a clear, colorless, oily liquid. 
It is prepared by reacting sulfur dioxide (SO2) with oxygen 
and mixing the resultant sulfur trioxide (SO3) with

[[Page 492]]

water, or by reacting nitric oxide (NO) with sulfur dioxide and water.
    (b) The ingredient meets the specifications of the ``Food Chemicals 
Codex,'' 3d Ed. (1981), pp. 317-318, 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 pH control agent as defined in Sec. 
170.3(o)(23) 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 
0.014 percent for alcoholic beverages as defined in Sec. 170.3(n)(2) of 
this chapter and 0.0003 percent for cheeses as defined in Sec. 
170.3(n)(5) 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 6085, Jan. 25, 1980, as amended at 49 FR 5611, Feb. 14, 1984]