Magnesium Stearate USP Grade from Mexico
Magnesium stearate USP is a pharmaceutical-grade salt of stearic acid used as a lubricant in tablet manufacturing. Classified under HTS 2915.70.0150 as an 'other' stearic acid salt meeting chapter purity standards.
Duty Rate — Mexico → United States
15%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include USP certificate of analysis and DMF if for drug manufacturing
• Ensure compliance with FDA import alerts for pharmaceutical excipients
• Declare exact stearic acid chain length distribution per pharmacopeia specs