---
kind: "section"
citation: "21 C.F.R. § 573.400"
title: "21"
number: "573.400"
heading: "Ethoxyquin in certain dehydrated forage crops."
url: "https://uscodex.org/cfr/21/573.400"
---

# §573.400. Ethoxyquin in certain dehydrated forage crops.


Ethoxyquin (1,2-dihydro-6-ethoxy-2,2,4-trimethylquinoline) may be safely used in the dehydrated forage crops listed in [paragraph (a)](#a) of this section when incorporated therein in accordance with the conditions prescribed in this section:

- (a) It may be added to dehydrated forage prepared from:
- (b) Such additive is used only as a chemical preservative for the purpose of retarding oxidative destruction of naturally occurring carotenes and vitamin E in the forage crops.
- (c) It is added to the dehydrated forage crops in an oil mixture containing only suitable animal or suitable vegetable oil, prior to grinding and mixing.
- (d) The maximum quantity of the additive permitted to be used and to remain in or on the dehydrated forage crop shall not exceed 150 parts per million.
- (e) To assure the safe use of the additive, the label of the market package shall contain, in addition to other information required by the act:
  - (1) **The name of the additive as specified in this section.**
  - (2) Directions for the incorporation of the additive in the forage crops, as specified in [paragraph (c)](#c) of this section, with the directive that only suitable animal or suitable vegetable oils are to be used in the oil mix.
- (f) The label of any dehydrated forage crops treated with the additive or the label of an animal-feed supplement containing such treated forage crops, shall, in addition to other information required by the act, bear the following statements:
  - (1) “Ethoxyquin, a preservative,” or “Ethoxyquin added to retard the oxidative destruction of carotene and vitamin E.”
  - (2) The statement “For use in animal feed only.”

## Notes

### Authority

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

### Source

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