[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2006]
From the U.S. Government Printing Office via GPO Access
TITLE 21--FOOD AND DRUGS
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN
PART 184_DIRECT FOOD SUBSTANCES AFFIRMED AS GENERALLY RECOGNIZED AS
SAFE--Table of Contents
Subpart B_Listing of Specific Substances Affirmed as GRAS
Sec. 184.1240 Carbon dioxide.
(a) Carbon dioxide (empirical formula CO2, CAS Reg. No.
124-38-9) occurs as a colorless, odorless, noncombustible gas at normal
temperatures and pressures. The solid form, dry ice, sublimes under
atmospheric pressure at a temperature of -78.5 [deg]C. Carbon dioxide is
prepared as a byproduct of the manufacture of lime during the
``burning'' of limestone, from the combustion of carbonaceous material,
from fermentation processes, and from gases found in certain natural
springs and wells.
(b) The Food and Drug Administration is developing food-grade
specifications for carbon dioxide in cooperation with the National
Academy of Sciences. In the interim, the ingredient must be of purity
suitable for its intended use.
(c) In accordance with Sec. 184.1(b)(1), the ingredient is used in
food with no limitations other than current good manufacturing practice.
The affirmation of this ingredient as generally recognized as safe
(GRAS) as a direct human food ingredient is based upon the following
current good manufacturing practice conditions of use:
(1) The ingredient is used as a leavening agent as defined in Sec.
170.3(o)(17) of this chapter; a processing aid as defined in Sec.
170.3(o)(24) of this chapter; and a propellant, aerating agent, and gas
as defined in Sec. 170.3(o)(25) of this chapter.
(2) The ingredient is used in food at levels not to exceed current
good manufacturing practice.
(d) Prior sanctions for this ingredient different from the uses
established in this section do not exist or have been waived.
[48 FR 57270, Dec. 29, 1983]
Additives that reference this regulation: