Analytical Reference Standard Trifluralin from Canada
USP/NIST-traceable reference standard of N-Ethyl-N-(2-methyl-2-propenyl)-2,6-dinitro-4-(trifluoromethyl)benzenamine at 99%+ purity for laboratory use. Falls under HTS 2921.43.22.00 as a separate chemically defined organic compound per Chapter 29 scope. Used for calibration in pesticide residue analysis.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include certificate of analysis with lot-specific purity; declare as 'reference standard' on commercial invoice; comply with DEA precursor chemical regulations if applicable