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Federal regulations · Through 2026-08-25 · Newer source version available

21 CFR 582.1711: Silica aerogel.

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Where this section sits in the code
  1. Title 21—Food and Drugs
  2. CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES
  3. SUBCHAPTER E—ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS
  4. PART 582—SUBSTANCES GENERALLY RECOGNIZED AS SAFE
  5. Subpart B—General Purpose Food Additives

(a) Product. Silica aerogel as a finely powdered microcellular silica foam having a minimum silica content of 89.5 percent.

(b) [Reserved]

(c) Limitations, restrictions, or explanation. This substance is generally recognized as safe when used as a component of antifoaming agents in accordance with good manufacturing or feeding practice.

Collected 2026-08-27T02:24:47Z. Source file · JSON

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