Magnesium Salicylate Crystals from Mexico
Magnesium salicylate crystals are used in anti-inflammatory medications and as analytical reagents, fitting HTS 2918.21.5000 as other salicylic acid salts. Chapter 29 classification prioritizes the phenol-function carboxylic acid structure over metal content per classification notes.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Crystallinity confirmed by XRD; amorphous forms risk mixture classification
• Declare water content <1% to avoid solvent dissolution scrutiny