Chrome Alum Crystals from China
Chrome alum (chromium potassium sulfate, KCr(SO4)2·12H2O) is used in leather tanning and analytical chemistry. Falls under HTS 2833.30.00.00 as a trivalent metal alum double salt.
Duty Rate — China → United States
39.1%
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
• Handle as hazardous material due to chromium content; require EPA TSCA notification
• Confirm crystal structure via X-ray diffraction if disputed