Ionones and methylionones
Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulfonated, nitrated, or nitrosated derivatives: > Cyclanic, cyclenic or cycloterpenic ketones without other oxygen function: > Ionones and methylionones
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 2914.23.00.00
Alpha-Ionone
Alpha-ionone is a cyclanic ketone with a violet-like floral odor, used primarily as a fragrance ingredient in perfumes and cosmetics. It falls under HTS 2914.23.00.00 as it is a pure ionone compound without other oxygen functions, fitting the chapter's definition for separate chemically defined organic compounds.
Beta-Ionone
Beta-ionone is a methylionone derivative with raspberry-like scent, widely used in flavorings for foods and beverages. Classified under HTS 2914.23.00.00 as a cyclenic ketone meeting chapter requirements for chemically defined organic compounds without other oxygen functions.
Gamma-Ionone
Gamma-ionone, a stereoisomer of ionone, provides woody-floral notes in fine fragrances and essential oil blends. It qualifies for HTS 2914.23.00.00 as a pure cycloterpenic ketone under the chapter's provisions for separate organic compounds.
Methyl Alpha-Ionone
Methyl alpha-ionone is a key synthetic violet accord used in luxury perfumes like Chanel No. 5. HTS 2914.23.00.00 covers it as a methylionone, being a chemically defined cyclanic ketone without additional oxygen functions.
Methyl Beta-Ionone
Methyl beta-ionone delivers fruity-seaweed notes for marine fragrance profiles in candles and soaps. As a pure methylionone, it precisely matches HTS 2914.23.00.00 criteria for cyclenic ketones.
Ionone Mixture 70/30 (Alpha/Beta)
Commercial ionone 70/30 blend (alpha/beta) used in bulk flavor production, classified under HTS 2914.23.00.00 as it qualifies as isomers of the same compound per chapter note (b).
Methyl Ionone Gamma
Methyl ionone gamma provides powerful violet-orris notes for high-end perfumery. Falls under HTS 2914.23.00.00 as a methylionone, a chemically defined ketone per Chapter 29 scope.
Ionone F (Commercial Grade)
Ionone F is a stabilized commercial ionone for industrial fragrance use, classified under HTS 2914.23.00.00 provided stabilizer meets chapter note (f) preservation criteria.