---
kind: "section"
citation: "21 C.F.R. § 573.620"
title: "21"
number: "573.620"
heading: "Menadione dimethylpyrimidinol bisulfite."
url: "https://uscodex.org/cfr/21/573.620"
---

# §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 (C17H18O6N2S).
- (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.

## Notes

### Authority

Authority: 21 U.S.C. 321, 342, 348.

### Source

Source: 41 FR 38652, Sept. 10, 1976, unless otherwise noted.