Aluminum Sulfate Octadecahydrate from China
Aluminum sulfate octadecahydrate (Al2(SO4)3·18H2O) is a chemically defined inorganic salt of aluminum used primarily in water purification and wastewater treatment as a coagulant. It falls under HTS 2833.22.00.00 as a sulfate of aluminum, distinct from other metal sulfates in heading 2833.
Duty Rate — China → United States
37.5%
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
• Verify purity and hydrate form via Certificate of Analysis to confirm classification; ensure SDS and proper UN packaging for hazardous goods transport; watch for anti-dumping duties on Chinese-origin aluminum sulfate