Laboratory-Grade Anhydrous Ammonia from China
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 — China → United States
25%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 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