D & C dyes
An acronym for Drug and Cosmetic dyes. This classification for synthetic dyes is given by the U.S. Food and Drug Administration. D & C dyes can be used in drugs and cosmetics while a FD & C dyes can be used in food, drugs and cosmetics. This designation certifies that the dye does not contain toxic amounts of heavy metals. Examples are:
D&C Red No. 21 = eosin;
D&C blue No. 6 = indigo;
FD&C Red No. 2 = amaranth.
Sources Checked for Data in Record
- Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942