N-Propyl Methylphosphonate from Canada
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 — Canada → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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