eCFR Reference Browser

---

title: "21 CFR §573.620"

source: "https://www.ecfr.gov/current/title-21/section-573.620"

title_number: "21"

volume_number: "6"

chapter_number: "Unknown"

subchapter_code: "E"

subchapter_subject: "ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS"

part_code: "573"

part_subject: "FOOD ADDITIVES PERMITTED IN FEED AND DRINKING WATER OF ANIMALS"

subpart_code: "B"

subpart_subject: "Food Additive Listing"

section_number: "573.620"

section_subject: "Menadione dimethylpyrimidinol bisulfite."

cfr_reference: "21 CFR 573.620"

title_name: "Title 21"

title_subject: "Food and Drugs"

parts_covered: "Parts 500 to 599"

revised_date: "Revised as of April 1, 2019"

publication_date: "As of April 1, 2019"

contains_description: "Containing a codification of documents of general applicability and future effect"

publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"

---

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

7H1

8O6N2S).

(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.

§573.620 - Menadione dimethylpyrimidinol bisulfite.