Cadusafos (S,S'-[[(1R)-1-methylpropylidene]diimino]bis(O,O-diethyl phosphorodithioate)
Cadusafos is a symmetrical phosphorodithioate ester used as a nematicide and insecticide in agriculture. It is a separate chemically defined organic compound, which qualifies it for classification under tariff item 2920.19.00 as an 'other' thiophosphoric ester. The product meets the Chapter 29 requirements for chemically defined compounds.
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 formulated as a ready-to-use insecticide preparation
Formulated products containing Cadusafos with other ingredients may fall under insecticides, packaged for retail sale.
If the compound is not a phosphorothioate ester
Other organo-sulphur compounds not specifically covered by heading 29.20.
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 pure, chemically defined compound without added solvents or formulations that could change classification
• Have a Certificate of Analysis ready to confirm purity and identity for CBSA inspection
• Verify if a Pest Control Products Act registration is required before import
Related Products under Tariff item 2920.19.00
Bis(4-chlorophenyl) phosphorothioate
Bis(4-chlorophenyl) phosphorothioate is a di-chlorinated aromatic thiophosphoric ester used as a synthetic intermediate and flame retardant. As a separate chemically defined compound, it is classifiable under this tariff item for other thiophosphoric esters.
Cresyl diphenyl phosphorothioate
Cresyl diphenyl phosphorothioate is a mixed aryl thiophosphoric ester used in hydraulic fluids and as an antioxidant in petroleum additives. As a separate chemically defined compound, it falls under this tariff item for other thiophosphoric esters.
Diphenyl phosphorochloridothioate
Diphenyl phosphorochloridothioate is an aromatic thiophosphoric ester chloride intermediate for agricultural chemical synthesis. As a separate chemically defined compound, it is classifiable under this tariff item for other thiophosphoric esters.
Disulfoton 75% Soluble Liquid Concentrate
Disulfoton 75% Soluble Liquid Concentrate is a formulation where the active ingredient, a diethyl thiophosphate ester, determines classification. As a technical material, the thiophosphoric ester component qualifies under tariff item 2920.19.00 as an 'other' phosphorodithioate. The product meets Chapter 29 criteria for chemically defined organic compounds.
Ethion (O,O,O',O'-Tetraethyl S,S'-methylene bis(phosphorodithioate))
Ethion is a bis-phosphorodithioate compound used as a non-systemic insecticide and acaricide. It is a separate chemically defined organic compound, qualifying for tariff item 2920.19.00 as an 'other' thiophosphoric ester. The product meets Chapter 29 requirements for chemically defined compounds.
Fenamiphos (Ethyl 4-(methylthio)-m-tolyl isopropylphosphoramidate)
Fenamiphos is a nematicide containing a phosphoramidate-thioate structure, classifiable under tariff item 2920.19.00 as an 'other' thiophosphoric ester. It is a separate chemically defined organic compound per Chapter 29 note (a). The product meets the purity and identity requirements for classification.