[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2001]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR172.480]

[Page 49]
 
                        TITLE 21--FOOD AND DRUGS
 
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 
                          SERVICES (CONTINUED)
 
PART 172--FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION--Table of Contents
 
                      Subpart E--Anticaking Agents
 
Sec. 172.480  Silicon dioxide.

    The food additive silicon dioxide may be safely used in food 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.
    (b) It is used as an anticaking agent, subject to the following 
conditions:
    (1) It is used in only those foods in which the additive has been 
demonstrated to have an anticaking effect.
    (2) It is used in an amount not in excess of that reasonably 
required to produce its intended effect.
    (3) [Reserved]
    (4) It is used in an amount not to exceed 2 percent by weight of the 
food.
    (c) It is used or intended for use as a stabilizer in the production 
of beer, and is removed from the beer by filtration prior to final 
processing.
    (d) It is used or intended for use as an adsorbent for dl-a-
tocopheryl acetate and pantothenyl alcohol in tableted foods for special 
dietary use, in an amount not greater than that required to accomplish 
the intended physical or technical effect.