Trichlorfon Technical Grade 98%
Pure trichlorfon (O,O-dimethyl (2,2,2-trichloro-1-hydroxyethyl)phosphonate), a halogenated organo-phosphorus compound used as the active ingredient in pesticides. Classified under HTS 2931.54.00.00 as a separate chemically defined organo-inorganic compound per Chapter 29 note (a). Supplied as off-white crystalline powder for formulation into insecticides.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If formulated as insecticide containing >95% trichlorfon with inert carriers
Formulated pesticides with trichlorfon as principal active ingredient fall under Chapter 38 heading 3808, not pure compounds of Chapter 29
If other halogenated organo-phosphorus compound, not specifically trichlorfon
Other halogenated organo-P derivatives excluding named substances like trichlorfon classified in residual 2931.90 provision
If technical material contains <85% pure trichlorfon with formulation aids
Mixtures of chemicals not elsewhere specified, including impure technical grades, fall under Chapter 38 mixtures heading
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Import Tips & Compliance
• Obtain EPA registration and import permit prior to shipment; provide Certificate of Analysis confirming ≥98% purity and ISO identity
• Ensure DOT-compliant packaging for hazardous organophosphates
• Declare as 'pure trichlorfon' to avoid misclassification as formulated pesticide
Related Products under HTS 2931.54.00.00
Trichlorfon USP Veterinary Grade
Pharmaceutical grade trichlorfon meeting USP standards for veterinary deworming applications in horses and livestock. A chemically defined halogenated organo-phosphorus compound specifically named in HTS 2931.54.00.00. Supplied as purified powder with stabilizer for animal health products.
Dylox 80% Trichlorfon Soluble Powder
Bayer Dylox-brand soluble powder concentrate containing 80% trichlorfon for turf and ornamental pest control. While primarily Chapter 38, pure active portion classified under 2931.54 when imported separately for custom formulation. Halogenated organo-phosphorus insecticide meets Chapter 29 chemical definition.
Trichlorfon Research Grade 99+%
High-purity trichlorfon (≥99%) for chemical synthesis and pesticide resistance research. Chemically defined organo-inorganic compound per HTS 2931.54.00.00 with minimal impurities. Supplied in amber glass bottles with desiccant.
Trichlorfon Bulk API for Equine Dewormer
Bulk active pharmaceutical ingredient trichlorfon for manufacturing equine dewormer paste products like Equigard. Pure halogenated organo-phosphorus compound classified under HTS 2931.54.00.00 when imported as API. Meets cGMP standards for veterinary drugs.
Trichlorfon Stabilized with Anti-caking Agent
Trichlorfon powder with 0.5% silicon dioxide anti-caking agent per Chapter 29 note (f) for preservation during transport. Remains classified as pure trichlorfon HTS 2931.54.00.00 since stabilizer doesn't change chemical identity or create specific use formulation.
Trichlorfon 50% Water Soluble Granules
Water-soluble granule formulation containing 50% trichlorfon for agricultural pest control. When imported as technical material for further dilution, classified under pure compound heading 2931.54.00.00. Granulation aids don't affect Chapter 29 classification.