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CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER A—GENERAL (parts 1 to 99) > PART 82—LISTING OF CERTIFIED PROVISIONALLY LISTED COLORS AND SPECIFICATIONS > SUBPART C—Drugs and Cosmetics (§82.1050 to §82.1710) > 82.1334—D&C Red No. 34.

CFR

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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