New

Ask Wove anything about tariffs.

Try Tariff Assistant

Warfarin Technical Grade Pesticide

Warfarin technical grade is a 4-hydroxycoumarin anticoagulant used as the active ingredient in rodenticides. Its aromatic heterocyclic lactone structure qualifies it as a lactone under this tariff item.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
πŸ‡¨πŸ‡³ChinaFreeβ€”Free
πŸ‡²πŸ‡½MexicoFreeβ€”Free
πŸ‡ΊπŸ‡ΈUnited StatesFreeβ€”Free
πŸ‡©πŸ‡ͺGermanyFreeβ€”Free
πŸ‡―πŸ‡΅JapanFreeβ€”Free

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

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

3808.91.10Higher: 6.5% vs Free

If the product is formulated as a ready-to-use pesticide

Formulated pesticides fall under this alternative.

Not sure which classification is right?

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

Import Tips & Compliance

β€’ Import the product as a pure chemical compound, not a formulated pesticide

β€’ Verify if a Pest Control Products Act registration is required

β€’ Declare the CAS number (81-81-2) for customs purposes

Related Products under Tariff item 2932.20.00

4-Hydroxycoumarin Powder

4-Hydroxycoumarin is a synthetic aromatic lactone classified as a heterocyclic compound with oxygen hetero-atoms only. It serves as a key intermediate in pharmaceutical synthesis.

4-Hydroxycoumarin USP Grade

USP-grade 4-Hydroxycoumarin meets pharmacopeia standards for research and synthesis. Its aromatic lactone structure qualifies it as a heterocyclic compound with oxygen hetero-atoms only.

4-Hydroxycoumarin with Stabilizer

4-Hydroxycoumarin with stabilizer is a powder containing an anti-caking agent added for transport, as permitted by Chapter 29 Note 1(f). The stabilizer does not render the product suitable for a specific use. As a separate chemically defined organic compound with a lactone ring, it falls under tariff item 2932.20.00.

4-Methylumbelliferone (CAS 90-33-5)

4-Methylumbelliferone is a methylcoumarin derivative with a lactone ring structure, making it a heterocyclic compound with oxygen hetero-atoms only. It is commonly used as a fluorogenic substrate in biochemical assays and as a laser dye.

6-Ethylcoumarin (CAS 17912-17-1)

6-Ethylcoumarin is a substituted coumarin with a lactone ring, classified as a heterocyclic compound with oxygen hetero-atoms only. It is used in fragrance formulations for its strong, long-lasting scent.

6-Hydroxy coumarin (Umbelliferone)

Umbelliferone (6-hydroxycoumarin) is a phenolic derivative of coumarin, a lactone with an aromatic heterocyclic structure. It is used in cosmetics and as a fluorescent indicator. As a chemically defined organic compound with a lactone ring, it is classified under tariff item 2932.20.00.