2-sec-Butyl-4,6-Dinitrophenol Crystals from Canada
Crystalline dinoseb (CAS 88-85-7), the pure nitrated phenol-alcohol herbicide, meeting HTS 2908.91.00.00 for specific chemically defined compounds. Used in synthesis of commercial pesticide formulations. High melting point form for stable storage.
Duty Rate — Canada → United States
15.5%
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
• Melting point (83-87°C) and crystal form verification required for purity claims
• Store below 40°C; include thermal stability data in shipping papers
• Prevent misclassification as general dinitrophenol under 2908.99 by specifying sec-butyl substituent