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2931.49.00.55/N-Propyl Methylphosphonate/Mexico

N-Propyl Methylphosphonate from Mexico

Organophosphorus compound with formula CH3P(O)(O CH2CH2CH3)(OR), where R meets the single n-propyl criterion of HTS 2931.49.0055. The phosphorus bears exactly one methyl directly and one n-propyl alkoxy chain. Hydraulic fluid additive and extractant.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Provide viscosity and flash point data for proper hazmat classification (UN1267 or similar)

• Verify chain length via HPLC; n-propyl vs iso-propyl affects statistical reporting

• Industrial end-use declaration prevents consumer chemical misrouting

N-Propyl Methylphosphonate from Mexico — Import Duty Rate | HTS 2931.49.00.55