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 > Alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides and their halogenated, sulfonated, nitrated or nitrosated derivatives: > Aromatic: > 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 2909.60.10.00
Cumene Hydroperoxide
Cumene hydroperoxide is an aromatic ketone peroxide used primarily as an initiator in polymerization reactions for producing polystyrene and other resins. It falls under HTS 2909.60.10.00 as an aromatic ketone peroxide described in additional U.S. note 3 to section VI, which covers specific high-purity organic peroxides regulated for safety in transport.
Di-tert-Butyl Peroxide (Aromatic Grade)
Di-tert-butyl peroxide is an aromatic ether peroxide used as a crosslinking agent in rubber and polymer production. Classified under HTS 2909.60.10.00 for aromatic ether peroxides meeting additional U.S. note 3 criteria for chemically defined peroxides in section VI.
2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane
This symmetrical aromatic ketone peroxide functions as a high-temperature initiator for polyethylene crosslinking. Falls under HTS 2909.60.10.00 as a chemically defined aromatic peroxide specified in additional U.S. note 3 to section VI.
Benzoyl Peroxide (Pharmaceutical Grade)
High-purity benzoyl peroxide used in acne treatment formulations and polymer initiation. Classified under HTS 2909.60.10.00 as aromatic ketone peroxide meeting additional U.S. note 3 specifications for section VI.
Lauroyl Peroxide
Lauroyl peroxide serves as a polymerization initiator for acrylic and vinyl resins with aromatic peroxide structure. HTS 2909.60.10.00 applies to this chemically defined compound listed in additional U.S. note 3.
tert-Butyl Peroxybenzoate
tert-Butyl peroxybenzoate is an aromatic alcohol peroxide serving as a catalyst in polyester and vinyl ester resin curing. It qualifies for HTS 2909.60.10.00 as an aromatic peroxide derivative listed in additional U.S. note 3 to section VI for regulated organic peroxides.
Dicumyl Peroxide
Dicumyl peroxide is an aromatic ether peroxide used for crosslinking silicone rubber and thermoplastics. It meets HTS 2909.60.10.00 criteria as a chemically defined aromatic peroxide under additional U.S. note 3.