Calcium Gluconate Dihydrate Crystals from Mexico
Crystalline dihydrate form of calcium gluconate offering better solubility for aqueous formulations. HTS 2918.16.5020 covers all hydration states of this specific salt per chapter salt classification rules. Used in effervescent tablets.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• XRD crystal structure report confirms dihydrate form vs monohydrate
• Loss on drying (LOD) 7-11% validates hydration state for customs
• Dust-free packaging prevents anti-dusting agent addition issues