{"data":{"id":"us/21-cfr-573.1020","jurisdiction":"us","citation":"21 CFR 573.1020","heading":"Yellow prussiate of soda.","body":"Yellow prussiate of soda (sodium ferrocyanide decahydrate: Na4Fe(Cn)6°-10H2O) may be safely used as an anticaking agent in salt for animal consumption at a level not to exceed 13 parts per million. The additive contains a minimum of 99.0 percent by weight of sodium ferrocyanide decahydrate.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER E—ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS","PART 573—FOOD ADDITIVES PERMITTED IN FEED AND DRINKING WATER OF ANIMALS","Subpart B—Food Additive Listing"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"2e916d5a794ee35772f9912d5bb703297b79f465f884e50b5ac89c16ec384fcb","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-573.1010","next":"us/21-cfr-579.12"},"notice":"GroundRules: Original legal text. Not legal advice."}