[Code of Federal Regulations]
 [Title 21, Volume 1]
 [Revised as of April 1, 2002]
 From the U.S. Government Printing Office via GPO Access
 [CITE: 21CFR74.1260]
 
 [Page 402-403]
 
                         TITLE 21--FOOD AND DRUGS
 
 CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN
                                 SERVICES
 
 PART 74--LISTING OF COLOR ADDITIVES SUBJECT TO CERTIFICATION--Table of Contents
 
                             Subpart B--Drugs
 
 Sec. 74.1260  D&C Orange No. 10.
 
     (a) Identity. (1) The color additive D&C Orange No. 10 is a mixture
 consisting principally of 4',5'-diiodofluorescein, 2',4',5'-
 triiodofluorescein, and 2',4',5',7'-tetraiodofluorescein.
     (2) Color additive mixtures for drug use made with D&C Orange No. 10
 may contain only those diluents listed in this subpart as safe and
 suitable for use in color additive mixtures for coloring externally
 applied drugs.
     (b) Specifications. D&C Orange No. 10 shall conform to the following
 specifications and shall be free from impurities other than those named
 to the extent that such other impurities may be avoided by good
 manufacturing practice:
 
 Sum of volatile matter (at 135 deg.C) and halides and sulfates
 (calculated as sodium salts), not more than 8 percent.
 Insoluble matter (alkaline solution), not more than 0.5 percent.
 Phthalic acid, not more than 0.5 percent.
 2-[3',5'-Diiodo-2',4'-dihydroxybenzoyl] benzoic acid, not more than 0.5
 percent.
 Fluorescein, not more than 1 percent.
 4'-Iodofluorescein, not more than 3 percent.
 2',4'-Diiodofluorescein and 2',5'-diiodofluorescein, not more than 2
 percent.
 2',4',5'-Triiodofluorescein, not more than 35 percent.
 2',4',5',7'-Tetraiodofluorescein, not more than 10 percent.
 4',5'-Diiodofluorescein, not less than 60 percent and not more than 95
 percent.
 Lead (as Pb), not more than 20 parts per million.
 Arsenic (as As), not more than 3 parts per million.
 Mercury (as Hg), not more than 1 part per million.
 Total color, not less than 92 percent.
 
     (c) Uses and restrictions. D&C Orange No. 10 may be safely used for
 coloring externally applied drugs in amounts
 
 [[Page 403]]
 
 consistent with good manufacturing practice.
     (d) Labeling requirements. 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 Sec. 70.25 of this
 chapter.
     (e) Certification. All batches of D&C Orange No. 10 shall be
 certified in accordance with regulations in part 80 of this chapter.
 
 [46 FR 18953, Mar. 27, 1981]