RegulationsTitle 49Subtitle BChapter ISubchapter CPart 172Subpart E—Labeling49 CFR 172.427Regulationcurrent49 CFR 172.427ORGANIC PEROXIDE label.Current as of 2026-08-18 Government sourceeCFR editorial compilationAuthoritative but unofficialView source 2 passages(a)Except for size and color, the ORGANIC PEROXIDE label must be as follows:#(b)In addition to complying with § 172.407, the background on the ORGANIC PEROXIDE label must be red in the top half and yellow in the lower half.#Previous§ 172.426Next§ 172.429