Acid Red 33

Acid Red 33 is an azo chemical dye and is also known as D & C Red No. 33, CI 17200, R33. It was added to the dye list in 1984 with the name 5-Amino-4-hydroxy-3-phenylazo-2,7-naphthalenedisulfonic acid (disodium salt). CI 17200 is used in the production of a variety of products, including cosmetics and pharmaceuticals. The "CI" in the name stands...