{"data":{"id":"us/21-cfr-74.1708","jurisdiction":"us","citation":"21 CFR 74.1708","heading":"D\u0026C Yellow No. 8.","body":"(a) Identity. (1) The color additive D\u0026C Yellow No. 8 is principally the disodium salt of fluorescein.\n(2) Color additive mixtures for use in externally applied drugs made with D\u0026C Yellow No. 8 may contain only those diluents that are suitable and that are listed in part 73 of this chapter for use in color additive mixtures for coloring externally applied drugs.\n(b) Specifications. D\u0026C Yellow No. 8 shall be free from impurities other than those named to the extent that such impurities may be avoided by good manufacturing practice:\nSum of water and chlorides and sulfates (calculated as sodium salts), not more than 15 percent.\nMatter insoluble in alkaline water, not more than 0.3 percent.\nResorcinol, not more than 0.5 percent.\nPhthalic acid, not more than 1 percent.\n2-(2,4-Dihydroxybenzoyl) benzoic acid, not more than 0.5 percent.\nLead (as Pb), not more than 20 parts per million.\nArsenic (as As), not more than 3 parts per million.\nMercury (as Hg), not more than 1 part per million.\nTotal color, not less than 85 percent.\n(c) Uses and restrictions. D\u0026C Yellow No. 8 may be safely used in externally applied drugs in amounts consistent with good manufacturing practice.\n(d) Labeling. The label of the color additive and any mixtures prepared therefrom intended solely or in part for coloring purposes shall conform to the requirements of § 70.25 of this chapter.\n(e) Certification. All batches of D\u0026C Yellow No. 8 shall be certified in accordance with regulations in part 80 of this chapter.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER A—GENERAL","PART 74—LISTING OF COLOR ADDITIVES SUBJECT TO CERTIFICATION","Subpart B—Drugs"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"d91627911ee5be93abfa71ca8e42da2dab2374f6b6f72ef423c0b5c7f7aca5d5","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-74.1707a","next":"us/21-cfr-74.1710"},"notice":"GroundRules: Original legal text. Not legal advice."}