Laboratory-Grade Anhydrous Ammonia from Mexico
High-purity anhydrous ammonia supplied in small cylinders for chemical synthesis and research applications. Falls under HTS 2814.10.00.00 as it is purely anhydrous and chemically defined per Chapter 28 notes. Used in producing pharmaceuticals and analytical reagents.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include material safety data sheets (MSDS) and lab-use declarations; store in ventilated areas per OSHA
• Purity must exceed 99.99% for anhydrous classification
• Common issue: Contamination during transit reclassifying as impure