DNBP Acid Herbicide Standard from Canada
High-purity dinoseb (DNBP) used as analytical reference standard for pesticide residue testing in agricultural labs. As a nitrated derivative of phenol, it precisely matches HTS 2908.91.00.00 criteria for chemically defined compounds. Supplied in small quantities with certified purity >98%.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include NIST-traceable certificate of analysis specifying >98% purity
• Declare as 'reference standard' to distinguish from bulk pesticide active
• Avoid reclassification to Chapter 38 by providing lab-use end-use statement