Code of Federal Regulations (Last Updated: July 5, 2024) |
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 |
§ 573.940 - Silicon dioxide.
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§ 573.940 Silicon dioxide.
The food additive silicon dioxide may be safely used in animal feed in accordance with the following conditions:
(a) The food additive is manufactured by vapor phase hydrolysis or by other means whereby the particle size is such as to accomplish the intended effect.
(c) It is used in feed as an anticaking agent in an(b) It is used or intended for use in feed components as an anticaking agent, antifoaming agent, carrier, and/or grinding aid , as follows:
Feed component Limitations (percent) BHT (butylated hydroxytoluene) 2 Methionine hydroxy analog and its calcium salts 1 Piperazine, piperazine salts 0.8 Sodium propionate 1 Urea 1 Vitamins 3 in animal feed, including ingredients, intermediate premixes, premixes, supplements, concentrates, and complete feed.
(c) To ensure safe use of the additive, silicon dioxide is to be used in an amount not to exceed that reasonably required to accomplish its intended effect and in no case in an amount to , and silicon dioxide from all sources cannot exceed 2 percent by weight of the finished complete feed.
((d) It is used or intended for use in feed components, as a carrier as follows:
Feed component Limitations (percent)Flavors 50 Selenomethionine hydroxy analogue 95 To ensure safe use of the additive, the label and labeling of the additive and ingredients, intermediate premixes, premixes, supplements, concentrates, and complete feed containing the additive shall meet the requirements of the Federal Food, Drug, and Cosmetic Act, including part 501 of this chapter.
(e) To ensure safe use of the additive, silicon dioxide is to be used in an amount not to exceed that reasonably required to accomplish its intended effect, and in addition to the other information required by the Federal Food, Drug, and Cosmetic Act, the label and labeling of the additive and ingredients, intermediate premixes, premixes, supplements, and concentrates containing the additive shall have:
(1) A statement of the concentration of the additive.
(2) A statement that silicon dioxide from all sources cannot exceed 2 percent by weight of the complete feed.
[41 FR 38652, Sept. 10, 1976, as amended at 83 FR 8930, Mar. 2, 2018; 84 FR 7993, Mar. 6, 2019; 85 FR 33539, June 2, 2020]