[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2006]
From the U.S. Government Printing Office via GPO Access
TITLE 21--FOOD AND DRUGS
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN
PART 184_DIRECT FOOD SUBSTANCES AFFIRMED AS GENERALLY RECOGNIZED AS
SAFE--Table of Contents
Subpart B_Listing of Specific Substances Affirmed as GRAS
Sec. 184.1845 Stannous chloride (anhydrous and dihydrated).
(a) Stannous chloride is anhydrous or contains two molecules of
water of hydration. Anhydrous stannous chloride (SnCl2, CAS
Reg. No. 7772-99-8) is the chloride salt of metallic tin. It is prepared
by reacting molten tin with either chlorine or gaseous tin
tetrachloride. Dihydrated stannous chloride
(SnCl2[middot]2H2O, CAS Reg. No. 10025-0969-091)
is the chloride salt of metallic tin that contains two molecules of
water. It is prepared from granulated tin suspended in water and
hydrochloric acid or chlorine.
(b) Both forms of the ingredient meet the specifications of the Food
Chemicals Codex, 3d Ed. (1981), p. 312, 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--
(c) The ingredient is used as an antioxidant as defined in Sec.
170.3(o)(3) of this chapter.
(d) The ingredient is used in food at levels not to exceed current
good manufacturing practice in accordance with Sec. 184.(b)(1). Current
good manufacturing practice results in a maximum level, as served, of
0.0015 percent or less; calculated as tin, for all food categories.
(e) Prior sanctions for this ingredient different from those uses
established in this section do not exist or have been waived.
[47 FR 27816, June 25, 1982]
Additives that reference this regulation: