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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If put up in dosage forms for retail therapeutic use
Medicaments in measured doses excluded from Chapter 29 per note 2(e) to Section VI.
If agricultural grade for insect control, not USP
Pesticides for agricultural use classified in 3808 regardless of chemical structure.
If ester of other inorganic acid, not specifically thiophosphoric
Other inorganic acid esters (non-thiophosphoric) in residual 2920.90 subheading.
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Import Tips & Compliance
• Provide USP certificate of analysis and FDA drug master file for import
• Segregate from agricultural grades to maintain pharmaceutical classification
• Ensure stability data for transport per Chapter note (f) allowances
Related Products under HTS 2920.19.50.00
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).
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.
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.