[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR172.185]

[Page 39]
 
                        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 B_Food Preservatives
 
Sec. 172.185  TBHQ.

    The food additive TBHQ, which is the chemical 2-(1,1-dimethylethyl)-
1,4-benzenediol (Chemical Abstracts Service Registry Number 1948-33-0), 
also known as tertiary butylhydroquinone, may be safely used in food in 
accordance with the following prescribed conditions:
    (a) The food additive has a melting point of 126.5 [deg]C-128.5 
[deg]C.
    (b) It is used as an antioxidant alone or in combination with BHA 
and/or BHT.
    (c) The total antioxidant content of a food containing the additive 
will not exceed 0.02 percent of the oil or fat content of the food, 
including the essential (volatile) oil content of the food.