C.F.R. » Title 21 » CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES › SUBCHAPTER A—GENERAL › PART 82—LISTING OF CERTIFIED PROVISIONALLY LISTED COLORS AND SPECIFICATIONS › Subpart C—Drugs and Cosmetics

21 C.F.R. § 82.1334

D&C Red No. 34

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Calcium salt of 3-hydroxy-4-[(1-sulfo-2 -naphthalenyl)azol-2-naphthalenecarboxylic acid.

Sum of volatile matter (at 135 °C) and chlorides and sulfates (calculated as sodium salts), not more than 15 percent. 2-Amino-1-naphthalenesulfonic acid, calcium salt, not more than 0.2 percent. 3-Hydroxy-2-naphthoic acid, not more than 0.4 percent. Subsidiary colors, not more than 4 percent. Total color not less than 85 percent.