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Dehydromirex Isomer Mixture

Mixture of Mirex-related isomers, classified under HTS 2903.83.00.00 per Chapter 29 note (b) as mixtures of isomers of the same organic compound. Used in toxicological studies as a surrogate for Mirex photodegradation products.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
๐Ÿ‡จ๐Ÿ‡ณChina5.5%+37.5%43%
๐Ÿ‡ฒ๐Ÿ‡ฝMexico5.5%+10.0%15.5%
๐Ÿ‡จ๐Ÿ‡ฆCanada5.5%+10.0%15.5%
๐Ÿ‡ฉ๐Ÿ‡ชGermanyFree+10.0%10%
๐Ÿ‡ฏ๐Ÿ‡ตJapanFree+12.5%12.5%

Alternative Classifications

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

2903.79Lower: 16.2% vs 43%

If primarily acyclic hydrocarbon derivatives

Mixtures exceeding cyclic isomer limits fall under halogenated acyclic hydrocarbons in other 2903 subheadings.

Not sure which classification is right?

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

Import Tips & Compliance

โ€ข Provide HPLC chromatogram showing isomer composition; declare as research chemical only

โ€ข Ensure no acyclic impurities to stay within Chapter 29 scope