21 C.F.R. § 573.900 Pyrophyllite.
Title 21 - Food and Drugs
Pyrophyllite (aluminum silicate monohydrate) may be safely used as the sole anticaking aid, blending agent, pelleting aid, or carrier in animal feed when incorporated therein in an amount not to exceed 2 percent in complete animal feed.
Title 21: Food and Drugs
PART 573—FOOD ADDITIVES PERMITTED IN FEED AND DRINKING WATER OF ANIMALS
Subpart B—Food Additive Listing
§ 573.900 Pyrophyllite.

