CFR > 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 (parts 500 to 590) > PART 573—FOOD ADDITIVES PERMITTED IN FEED AND DRINKING WATER OF ANIMALS > SUBPART B—Food Additive Listing (§573.120 to §573.1020) > 573.620—Menadione dimethylpyrimidinol bisulfite.

573.620—Menadione dimethylpyrimidinol bisulfite.

The food additive, menadione dimethylpyrimidinol bisulfite, may be safely used in accordance with the following conditions:
(a) The additive is the 2-hydroxy-4,6-dimethylpyrimidinol salt of menadione (C1 7 H1 8 O6 N2 S).
(b) The additive is used or intended for use as a nutritional supplement for the prevention of vitamin K deficiency as follows:
(1) In chicken and turkey feed at a level not to exceed 2 grams per ton of complete feed.
(2) In the feed of growing and finishing swine at a level not to exceed 10 grams per ton of feed.
(c) To assure safe use, the label and labeling of the additive shall bear adequate directions for use.