[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: 21CFR178.3300] [Page 407] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 178_INDIRECT FOOD ADDITIVES: ADJUVANTS, PRODUCTION AIDS, AND SANITIZERS--Table of Contents Subpart D_Certain Adjuvants and Production Aids Sec. 178.3300 Corrosion inhibitors used for steel or tinplate. Corrosion inhibitors may be safely used for steel or tinplate intended for use in, or to be fabricated as, food containers or food- processing or handling equipment, subject to the provisions of this section. (a) The corrosion inhibitors are prepared from substances identified in this section and used subject to the limitations prescribed. (b) The following corrosion inhibitors or adjuvants are used in amounts not to exceed those reasonably required to accomplish the intended physical or technical effect: (1) Corrosion inhibitors (active ingredients) used in packaging materials for the packaging of steel or tinplate or articles fabricated therefrom: ------------------------------------------------------------------------ List of substances Limitations ------------------------------------------------------------------------ Dicyclohexylamine and its salts of fatty acids derived from animal or vegetable oil. Dicyclohexylamine nitrite................. Morpholine and its salts of fatty acids derived from animal or vegetable oils. ------------------------------------------------------------------------ (2) Adjuvants employed in the application and use of corrosion inhibitors: ------------------------------------------------------------------------ List of substances Limitations ------------------------------------------------------------------------ Propylene glycol.......................... ------------------------------------------------------------------------