Dehydromirex Isomer Mixture
Dehydromirex isomer mixture, a blend of Mirex-related isomers used as a surrogate in toxicological studies of Mirex photodegradation. It is classified under this tariff item as a mixture of isomers of the same organic compound, per Chapter 29 legal note 1(b), and is a halogenated derivative of cyclanic hydrocarbons.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the mixture contains isomers that are not specifically Mirex or its derivatives.
Other halogenated derivatives of cyclanic hydrocarbons may fall under this residual subheading.
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
• Ensure the isomer mixture is clearly documented as a Mirex-related product for customs classification
• Verify that the mixture does not contain any added substances that would alter its classification under Chapter 29
• Keep laboratory certificates of analysis to support the product's identity and purity
Related Products under Tariff item 2903.83.00
Mirex 99% Pure Crystals
High-purity crystalline Mirex (ISO), a fully chlorinated cyclanic hydrocarbon used as a reference standard in analytical chemistry for pesticide residue testing. It is a separate chemically defined organic compound, meeting the criteria of Chapter 29 note 1(a), and is specifically named in this tariff item.
Mirex Analytical Reference Standard
Certified reference material of Mirex, a chlorinated cyclopentadiene derivative, supplied in amber vials for use in GC-MS calibration. It is a separate chemically defined organic compound classified under this tariff item as a halogenated derivative of cyclanic hydrocarbons, per Chapter 29 note 1(a).
Mirex Stabilized for Transport
Mirex stabilized for transport, with added stabilizers to prevent degradation during shipping. It is classified under this tariff item as the primary chemically defined compound, Mirex, with stabilizers that do not render it particularly suitable for specific use, per Chapter 29 note 1(f).
Mirex Technical Grade Powder
Mirex technical grade powder, a fully chlorinated hydrocarbon with the ISO name Mirex, used as a halogenated derivative of cyclanic hydrocarbons. It is a separate chemically defined organic compound, meeting the criteria of Chapter 29 note 1(a), and is specifically named in this tariff item.