Diphenyl Methylphosphonate
Diphenyl methylphosphonate is an aromatic phosphonate ester used in metallurgy and as a flame retardant. As a chemically defined compound, it is classified under heading 29.20 as a phosphoric ester derivative.
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 the phosphonate structure is considered an organo-phosphorus compound rather than an ester
Other organo-inorganic compounds are classified in heading 29.31.
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
• Verify the product is a separate chemically defined compound
• Check for any controlled substance regulations if used in specific applications
• Provide the CAS number and purity certificate
Related Products under Tariff item 2920.90.00
Chlorpyrifos-methyl
Chlorpyrifos-methyl is an organophosphate insecticide ester derived from phosphorothioic acid. It is a separate chemically defined organic compound with a phosphate ester structure, falling under heading 29.20 as a phosphoric ester derivative.
Cresyl Diphenyl Phosphate
Cresyl diphenyl phosphate is a mixed aromatic phosphate ester used as a flame retardant and plasticizer. It is a separate chemically defined compound, falling under heading 29.20 as a phosphoric ester.
Dichlorvos (DDVP)
Dichlorvos (DDVP) is a volatile organophosphate ester used as an insecticide. As a chemically defined vinyl phosphate ester, it is classified under heading 29.20 as a phosphoric ester derivative.
Diphenyl Phosphorochloridite
Diphenyl phosphorochloridite is an aromatic chloridite ester used as an intermediate in chemical synthesis. It is a halogenated derivative of a phosphoric acid ester, classifiable under heading 29.20.
Fenitrothion
Fenitrothion is an organophosphate insecticide with a nitrophenyl phosphate ester structure. It is a separate chemically defined compound, classifiable under heading 29.20 as a phosphoric ester derivative.
Malathion
Malathion is a well-known organophosphate insecticide, chemically defined as a phosphorodithioate ester. It falls under heading 29.20 as a phosphoric ester derivative, specifically as a separate chemically defined compound.