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tert-Butyl Hydroperoxide

tert-Butyl hydroperoxide (TBHP) is an organic hydroperoxide used as an oxidant in epoxidation reactions and oxidation catalysis. It is classified under tariff item 2909.60.00 as an alcohol peroxide, fitting Chapter 29's definition of chemically defined organic compounds.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

Alternative Classifications

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

2909.19.00Same rate: Free

If the product is a simple alcohol ether rather than a peroxide

Other acyclic ethers may apply.

3824.99.00Same rate: Free

If mixed with stabilizers or other chemicals

Preparations may fall under chemical products.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.

Import Tips & Compliance

• TBHP is often supplied as an aqueous solution; ensure the water content does not alter classification

• Confirm if the product is on Canada's domestic substances list for regulatory compliance

• Include proper UN classification for organic peroxides in shipping documents

Related Products under Tariff item 2909.60.00

2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane

> 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane is a symmetrical dialkyl peroxide used as a high-temperature initiator for crosslinking polyethylene and other polymers. It is a separate chemically defined organic compound containing peroxide functional groups, which falls under tariff item 2909.60.00 for alcohol peroxides, ether peroxides, and ketone peroxides. Its structure and use align with the scope of Chapter 29, which covers organic peroxides.

2,5-Di(tert-butylperoxy)-2,5-dimethyl-3-hexyne

> 2,5-Di(tert-butylperoxy)-2,5-dimethyl-3-hexyne is a peroxide with acetylenic functionality used for specialty elastomer crosslinking. It is a separate chemically defined organic compound with peroxide groups, falling under tariff item 2909.60.00. The product is an ether peroxide within Chapter 29's scope, with the peroxide function taking precedence over the alkyne.

3,6,9-Triethyl-3,6,9-trimethyl-1,4,7-triperoxonane

> 3,6,9-Triethyl-3,6,9-trimethyl-1,4,7-triperoxonane is a cyclic ketone peroxide used in polyester resin curing. It is a separate chemically defined organic compound with multiple peroxide groups, falling under tariff item 2909.60.00. The product is a ketone peroxide within Chapter 29's scope, despite its cyclic structure.

Benzoyl Peroxide Paste

> Benzoyl peroxide paste (33% active) is a formulation of benzoyl peroxide in water or dispersant, used as a flour bleach, rubber accelerator, and acne treatment active. It is a separate chemically defined compound with a diacyl peroxide structure, falling under tariff item 2909.60.00. The aqueous solution is covered by Chapter 29 note 1(d) for products dissolved in water.

Benzoyl Peroxide (Pharmaceutical Grade)

> Benzoyl peroxide in pharmaceutical grade is a high-purity organic peroxide used as an active ingredient in acne treatments and as a polymerization initiator. It is a separate chemically defined compound with a diacyl peroxide structure, falling under tariff item 2909.60.00. The product meets Chapter 29 criteria for organic peroxides, whether or not chemically defined.

Benzyl tert-Butyl Ether Peroxide

> Benzyl tert-butyl ether peroxide is an aromatic ether peroxide used in low-temperature polymerization initiators. It is a separate chemically defined organic compound with a peroxide group, falling under tariff item 2909.60.00. The product is an ether peroxide within Chapter 29's scope.