Malathion USP Grade (S-[1,2-bis(ethoxycarbonyl)ethyl] O,O-dimethyl phosphorodithioate)
Malathion USP Grade is a pharmaceutical-grade phosphorodithioate used in medical and public health applications such as lice treatment. It is a separate chemically defined organic compound meeting USP purity standards, qualifying for tariff item 2920.19.00 as an 'other' phosphorodithioate. The product meets 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
Formulated insecticide preparations are classified in Chapter 38.
If imported as a medicament in measured doses
Medicaments put up in measured doses 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 meets USP grade specifications and provide documentation to CBSA
• Verify if a Drug Identification Number (DIN) is required for pharmaceutical use
• Check if the product requires a pesticide registration for public health applications
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.
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.
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.