</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

ChlorMequat Chloride Precursor Acid from Canada

While primarily known as mecoprop, this 2-Methyl-4-chlorophenoxyacetic acid also serves as a precursor in synthesizing plant growth regulators, classified under HTS 2918.99.2015 for its pesticide-related aromatic carboxylic acid structure. It exhibits auxin-like activity inhibiting grass growth.

Duty Rate — Canada → United States

16.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Declare intended end-use as pesticide active or intermediate; provide synthesis pathway documentation; ensure pH stability testing for acid form during ocean transport