Trichlorfon Bulk API for Equine Dewormer
Trichlorfon Bulk API for Equine Dewormer is a bulk active pharmaceutical ingredient used to manufacture equine dewormer paste products. When imported as a pure halogenated organo-phosphorus compound, it falls under tariff item 2931.54.00. The product is a chemically defined compound specifically named in the tariff item.
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 |
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.
If imported as a formulated medicament in measured doses
Medicaments put up in measured doses or for retail sale are classified in Chapter 30.
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 product is imported as a bulk API, not as a finished veterinary product
• Provide documentation of the manufacturing process and purity standards
• Check if a veterinary drug establishment license is required for the final product
Related Products under Tariff item 2931.54.00
Dylox 80% Trichlorfon Soluble Powder
Dylox 80% Trichlorfon Soluble Powder is a soluble powder concentrate containing 80% trichlorfon, used for turf and ornamental pest control. When the pure trichlorfon active ingredient is imported separately for custom formulation, it falls under tariff item 2931.54.00 as a chemically defined organo-phosphorus compound. The product is classified under this item when imported as technical material rather than as a formulated end-use pesticide.
Proxur (Trichlorfon) Medical Grade
Proxur Medical Grade Trichlorfon is a pure organo-phosphorus compound intended for pharmaceutical use as an antihelminthic. When imported as an active pharmaceutical ingredient (API) with pharmaceutical grade stabilizers, it falls under tariff item 2931.54.00. The product is a chemically defined compound specifically named in the tariff item.
Trichlorfon 50% Water Soluble Granules
Trichlorfon 50% Water Soluble Granules is a granular formulation containing 50% trichlorfon for agricultural pest control. When imported as technical material for further dilution or formulation, the pure trichlorfon component falls under tariff item 2931.54.00. The product is classified under this item when the granulation aids do not render it particularly suitable for specific use.
Trichlorfon Research Grade 99+%
Trichlorfon Research Grade 99+% is a high-purity chemical compound used for chemical synthesis and pesticide resistance research. As a chemically defined organo-inorganic compound with minimal impurities, it falls under tariff item 2931.54.00. The product is specifically named in the tariff item and meets the purity requirements for research applications.
Trichlorfon Stabilized with Anti-caking Agent
Trichlorfon Stabilized with Anti-caking Agent is trichlorfon powder containing 0.5% silicon dioxide as an anti-caking agent. This stabilizer is added for preservation during transport and does not change the product's classification under tariff item 2931.54.00. The product remains a chemically defined compound with an added stabilizer permitted by Chapter 29 note 1(f).
Trichlorfon Technical Grade 98%
Trichlorfon Technical Grade 98% is a pure organo-phosphorus compound used as the active ingredient in pesticides. As a chemically defined halogenated organo-phosphorus compound specifically named in tariff item 2931.54.00, it falls under this item. The product is imported as technical material for further formulation.