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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5.5%+35.0%40.5%
🇲🇽Mexico5.5%+10.0%15.5%
🇨🇦Canada5.5%+10.0%15.5%
🇩🇪Germany5.5%+10.0%15.5%
🇯🇵Japan5.5%+10.0%15.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2909.60.20.00Same rate: 40.5%

If non-aromatic aliphatic structure predominates

Aliphatic ether peroxides fall under separate subheading excluding aromatic compounds.

3811.90.00.00Higher: 41.5% vs 40.5%

If when supplied with fuel additives or as anti-knock preparation

Specific end-use formulations for fuel treatment exclude classification as pure peroxides.

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Import Tips & Compliance

Classify as UN3105 hazardous material requiring specific IBC or drum packaging with self-accelerating decomposition temperature documentation

Provide certificate of analysis confirming aromatic content and peroxide value to match note 3 specifications

Avoid common pitfall of improper stabilization leading to classification under mixtures heading 3824

Related Products 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.

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.