Products described in additional U.S. note 3 to section VI
Ethers, ether-alcohols, ether-phenols, ether-alcohol- phenols, alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides (whether or not chemically defined), and their halogenated, sulfonated, nitrated or nitrosated derivatives > Aromatic ethers and their halogenated, sulfonated, nitrated or nitrosated derivatives: > Other: > Other: > Products described in additional U.S. note 3 to section VI
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 2909.30.40.00
Guaiacol
Guaiacol is an aromatic ether (2-methoxyphenol) used primarily as an expectorant in cough syrups and as a flavoring agent. It falls under HTS 2909.30.40.00 as an aromatic ether described in additional U.S. note 3 to section VI, which includes specific chemically defined compounds in this category.
Anisole
Anisole (methoxybenzene) is a colorless liquid aromatic ether used as a solvent in perfumery, pharmaceuticals, and chemical synthesis. Classified under HTS 2909.30.40.00 as an 'other' aromatic ether per additional U.S. note 3 to section VI.
Veratrole (1,2-Dimethoxybenzene)
Veratrole is a dimethyl aromatic ether used in organic synthesis and as an intermediate for pharmaceuticals. Falls under HTS 2909.30.40.00 for 'other' aromatic ethers per U.S. note 3.
1,4-Dimethoxybenzene (Hydroquinone Dimethyl Ether)
1,4-Dimethoxybenzene serves as a synthetic intermediate and polymer additive, characterized as an aromatic diether. Classified in HTS 2909.30.40.00 under additional U.S. note 3 for specified aromatic ethers.
Eugenol Methyl Ether (Methyl Eugenol)
Methyl eugenol is an aromatic ether found in essential oils, used in perfumery and as an insect attractant. It meets HTS 2909.30.40.00 criteria as a chemically defined aromatic ether from U.S. note 3.
Diphenyl Ether
Diphenyl ether (phenyl ether) is used as a heat transfer fluid and chemical intermediate, qualifying as a basic aromatic ether. Falls under HTS 2909.30.40.00 per additional U.S. note 3 specifications.
4-Methoxyphenol (Methoxyhydroquinone)
4-Methoxyphenol is an aromatic ether-phenol used as a polymerization inhibitor in acrylic resins and UV stabilizer. It qualifies under HTS 2909.30.40.00 as an aromatic ether derivative listed in additional U.S. note 3.
Resorcinol Monomethyl Ether
Resorcinol monomethyl ether (3-methoxyphenol) functions as a pharmaceutical intermediate and UV absorber. Classified as aromatic ether under HTS 2909.30.40.00 per U.S. note 3.