Sodium Hydride Powder from Mexico
Sodium hydride (NaH) is a strong base and reducing agent used in organic synthesis for deprotonation reactions. It falls under HTS 2850.00.5000 as a chemically defined hydride, distinct from carbides in heading 2849. Typically supplied as a fine gray powder stored under inert atmosphere.
Duty Rate — Mexico → United States
13.7%
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
• Obtain proper DOT classification as a flammable solid (UN 1421) with Material Safety Data Sheet
• Ensure inert atmosphere packaging to prevent moisture reaction during transit
• Verify REACH/ TSCA registration for chemical import compliance