Mercuric Chloride (Corrosive Sublimate) from China
Mercuric chloride, also known as corrosive sublimate, is an inorganic mercury compound used historically as a disinfectant and in laboratory applications. It falls under HTS 2852.90.90.00 as a chemically defined inorganic compound of mercury, distinct from amalgams, per Chapter 28 notes.
Duty Rate — China → United States
40.5%
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Classify as hazardous material (UN 2025); provide proper SDS and EPA TSCA notifications
• Verify purity to confirm 'chemically defined' status per subheading note to avoid misclassification
• Obtain end-user certificates due to mercury toxicity restrictions under environmental laws