21 CFR 74.1707 - D&C Yellow No. 7.
(1) The color additive D&C Yellow No. 7 is principally fluorescein.
(2) Color additive mixtures for use in externally applied drugs made with D&C Yellow No. 7 may contain only those diluents that are suitable and that are listed in part 73 of this chapter for use in color additive mixtures for coloring externally applied drugs.
(b) Specifications. D&C Yellow No. 7 shall conform to the following specifications and shall be free from impurities other than those named to the extent that such impurities may be avoided by good manufacturing practice:
(c) Uses and restrictions. D&C Yellow No. 7 may be safely used in externally applied drugs in amounts consistent with good manufacturing practice.
(e) Certification. All batches of D&C Yellow No. 7 shall be certified in accordance with regulations in part 80 of this chapter.