O,O-Diethyl S-(2-ethylthioethyl) phosphorodithioate
A thiophosphoric ester commonly known as Disulfoton, used as a systemic insecticide in agriculture. It falls under HTS 2920.19.5000 as a phosphorodithioate ester of other inorganic acids of nonmetals, not classified as specific named compounds. This chemical is a separate chemically defined organic compound per Chapter 29 note (a).
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing metal atoms directly linked to carbon
Organo-inorganic compounds with metal-carbon bonds fall under heading 2931 per Chapter notes.
If imported as formulated pesticide product >1kg containers
Pesticides in retail packaging or formulations are classified in Chapter 38 based on use, not chemical structure.
If classified as other organo-sulfur compounds
Sulfur directly linked to carbon without phosphorodithioate characteristics moves to heading 2930.
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Import Tips & Compliance
• Obtain EPA registration and comply with FIFRA labeling requirements before import
• Provide detailed chemical purity analysis and safety data sheets (SDS) for customs clearance
• Avoid misclassification as a simple organophosphorus compound in 2931; confirm phosphorodithioate structure
Related Products under HTS 2920.19.50.00
O,O-Dimethyl S-(N-methylcarbamoylmethyl) phosphorodithioate
Known as Dimethoate, this is a systemic organophosphate insecticide and acaricide used on various crops. Classified under HTS 2920.19.5000 as 'other' thiophosphoric esters (phosphorodithioates). Meets Chapter 29 requirements for chemically defined organic compounds with P-S linkages.
O,O-Diethyl phosphorodithioic acid S-(p-chlorophenyl) ester
Commonly called Dicapthon, this chlorinated thiophosphoric ester serves as an insecticide. Falls under HTS 2920.19.5000 as 'other' halogenated phosphorodithioates per the heading description. Qualifies as a chemically defined compound under Chapter 29 scope.
Malathion USP Grade (S-[1,2-bis(ethoxycarbonyl)ethyl] O,O-dimethyl phosphorodithioate)
Pharmaceutical grade Malathion used in medical and public health applications like lice treatment. Classified as HTS 2920.19.5000 'other' phosphorodithioates, meeting USP purity standards as a separate chemically defined compound.
Phorate Technical Grade (O,O-Diethyl S-[(ethylthio)methyl] phosphorodithioate)
Technical grade Phorate, a systemic insecticide nematicide used in soil treatment. HTS 2920.19.5000 classification as 'other' thiophosphoric esters (phosphorodithioates) per chemical structure and Chapter 29 notes.
Terbufos (O,O-Diethyl S-[[(1,1-dimethylethyl)thio]methyl] phosphorodithioate)
Broad-spectrum insecticide Terbufos used for corn rootworm control. Falls under 'other' phosphorodithioates in HTS 2920.19.5000 as a chemically defined thiophosphoric ester.
Disulfoton 75% Soluble Liquid Concentrate
Although a formulation, the active thiophosphoric ester ingredient classifies the product under HTS 2920.19.5000 when imported as technical material. Diethyl thiophosphate structure meets 'phosphorodithioates - other' criteria.