[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR182.1711]

[Page 463]
 
                        TITLE 21--FOOD AND DRUGS
 
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 
                          SERVICES (CONTINUED)
 
PART 182--SUBSTANCES GENERALLY RECOGNIZED AS SAFE--Table of Contents
 
            Subpart B--Multiple Purpose GRAS Food Substances
 
Sec. 182.1711  Silica aerogel.

    (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 an anti-foaming 
agent in accordance with good manufacturing practice.