Anhydrous Magnesium Chloride from Mexico
Anhydrous magnesium chloride (MgCl2) is a pure, water-free form used in industrial processes like titanium production and catalyst manufacturing. Classified under HTS 2827.31.00.00 as a chemically defined chloride of magnesium per Chapter 28 notes. It serves as a key raw material in metal refining.
Duty Rate — Mexico → United States
1.5%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Provide certificates of analysis confirming anhydrous state (<0.1% water) to distinguish from hydrated forms
• Ensure proper UN packaging (4.1 flammable solids if pyrophoric) and DG declarations for hazardous material compliance
• Avoid bulk packaging contamination that could lead to reclassification as a mixture under 3824