Semicarbazide Hydrochloride from Canada
Semicarbazide hydrochloride derives from hydrazine and is used to form semicarbazones for carbonyl identification. Classified HTS 2928.00.50.00 as organic hydrazine derivative salt following chapter salt classification rules. Essential for chromatographic derivative preparation.
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
• pH-sensitive; buffer solutions required for stability; provide NMR spectra confirmation; small package sizes reduce risk