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Title 21: Food and Drugs
« Home / Title 21 - Food and Drugs--Volume 1 / 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 / § 82.1334 D&C Red No. 34.
§ 82.1334 D&C Red No. 34.

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.
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