[Code of Federal Regulations] [Title 21, Volume 6] [Revised as of January 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR573.280] [Page 500-501] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 573--FOOD ADDITIVES PERMITTED IN FEED AND DRINKING WATER OF ANIMALS--Table of Contents Subpart B--Food Additive Listing Sec. 573.280 Feed-grade calcium stearate and sodium stearate. Feed-grade calcium stearate and sodium stearate may be safely used in an animal feed in accordance with the following prescribed conditions: (a) Feed-grade calcium stearate and sodium stearate are the calcium or sodium salts of a fatty acid mixture that is predominately stearic acid. Associated fatty acids, including palmitic acid and minor amounts of lauric, myristic, pentadecanoic, margaric, arachidic, and other fatty acids may be [[Page 501]] contained in the mixture, but such associated fatty acids in aggregate do not exceed 35 percent by weight of the mixture. The fatty acids may be derived from feed-grade fats or oils. (b) The additives meet the following specifications: (1) Unsaponifiable matter does not exceed 2 percent. (2) They are free of chick-edema factor. (c) The additives are manufactured so that in aqueous solution they are exposed for 1 hour or longer to temperature in excess of 180 [deg]F. (d) They are used as anticaking agents in animal feeds in accordance with current good manufacturing practices. [63 FR 8573, Feb. 20, 1998]