{"data":{"id":"us/21-cfr-573.620","jurisdiction":"us","citation":"21 CFR 573.620","heading":"Menadione dimethylpyrimidinol bisulfite.","body":"The food additive, menadione dimethylpyrimidinol bisulfite, may be safely used in accordance with the following conditions:\n(a) The additive is the 2-hydroxy-4,6-dimethylpyrimidinol salt of menadione (C17H18O6N2S).\n(b) The additive is used or intended for use as a nutritional supplement for the prevention of vitamin K deficiency as follows:\n(1) In chicken and turkey feed at a level not to exceed 2 grams per ton of complete feed.\n(2) In the feed of growing and finishing swine at a level not to exceed 10 grams per ton of feed.\n(c) To assure safe use, the label and labeling of the additive shall bear adequate directions for use.","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":"1ec1bc78d7fbd0b081597d2b5f980a90da74ff887433808af95d52daff57b546","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-573.615","next":"us/21-cfr-573.625"},"notice":"GroundRules: Original legal text. Not legal advice."}