L-Lysine Sulfate from China
L-Lysine sulfate (2:1 lysine to sulfuric acid) is an alternative salt form to hydrochloride, used in specialized nutritional and pharmaceutical applications requiring lower chloride content. Falls under 2922.41.00.90 as 'other' lysine salts per Chapter 29 note (C)(1) on organic salts classification.
Duty Rate — China → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Submit sulfate content analysis (typically 20-25%) and lysine assay to verify composition
• Distinguish from fertilizer ammonium sulfate; declare CAS 6082-56-4 explicitly