Dipotassium Carbonate Monohydrate Crystals from China
Crystalline dipotassium carbonate monohydrate (K2CO3·H2O) used in laboratory reagents and fine chemicals. Still classified under HTS 2836.40.10.00 as the base compound dipotassium carbonate, chemically defined per notes. Crystals dissolve readily for analytical use.
Duty Rate — China → United States
39.4%
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
• Confirm hydrate form via XRD if disputed; base remains K2CO3
• Lab import exemption possible under HTS but verify quantities
• Avoid retail packing which triggers 3824 for consumer chemicals