Biuret from Germany
Biuret, a urea condensation product, serves as an analytical reagent and nitrogen source. As a ureine derivative, it classifies under HTS 2924.21.50.00 'other' ureines and derivatives; salts thereof.
Duty Rate — Germany → United States
15%
Rate breakdown
9903.04.628.5%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Specify analytical grade with biuret test standardization value
• Avoid fertilizer grade packaging to maintain Chapter 29 status
• Include polymerization degree analysis (<5% triuret)