186.1300—Ferric oxide.
(a)
Ferric oxide (iron (III) oxide, Fe2 O3, 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 § 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:
(c)
Prior sanctions for this ingredient different from the uses established in this section do not exist or have been waived.