HTS code 3203.00.30.00 covers "Coloring matter of vegetable or animal origin (including dyeing extracts but excluding animal black), whether or not chemically defined; preparations as specified in note 3 to this chapter based on coloring matter of vegetable or animal origin › Mixtures of 3,4-dihydroxyphenyl-2,4,6-trihydroxy- phenylmethanone and 2-(2,4-dihydroxyphenyl)-3,5,7- trihydroxy-4H-1-benzopyran-4-one" under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.