[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 186_INDIRECT FOOD SUBSTANCES AFFIRMED AS GENERALLY RECOGNIZED AS
SAFE--Table of Contents
Subpart B_Listing of Specific Substances Affirmed as GRAS
Sec. 186.1300 Ferric oxide.
(a) Ferric oxide (iron (III) oxide, Fe2O3, CAS
Reg. No. 1309-37-1) occurs naturally as the mineral hematite. It may be
prepared synthetically by heating brown iron hydroxide oxide. The
product is red-brown to black trigonal crystals.
(b) In accordance with Sec. 186.1(b)(1), the ingredient is used as
an indirect human food ingredient with no limitation other than current
good manufacturing practice. The affirmation of this ingredient as
generally recognized as safe (GRAS) as an indirect human food ingredient
is based upon the following current good manufacturing practice
conditions of use:
(1) The ingredient is used as a constituent of paper and paperboard
used for food packaging.
(2) The ingredient is used at levels not to exceed current good
(c) Prior sanctions for this ingredient different from the uses
established in this section do not exist or have been waived.
[53 FR 16867, May 12, 1988; 53 FR 20939, June 7, 1988]
Additives that reference this regulation:
Source: U.S. Code of Federal Regulations - CFR Title 21, Part 186, Section 1300
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