21 C.F.R. § 82.1306 D&C Red No. 6.
Title 21 - Food and Drugs
(a) The color additive D&C Red No. 6 shall conform in identity and specifications to the requirements of §74.1306 (a)(1) and (b) of this chapter. (b) The color additive D&C Red No. 6 may be safely used for coloring drugs such that the combined total of D&C Red No. 6 and D&C Red No. 7 does not exceed 5 milligrams per daily dose of the drug. [47 FR 57691, Dec. 28, 1982]
Title 21: Food and Drugs
PART 82—LISTING OF CERTIFIED PROVISIONALLY LISTED COLORS AND SPECIFICATIONS
Subpart C—Drugs and Cosmetics
§ 82.1306 D&C Red No. 6.