Trisodium Phosphate Crystals from China
Trisodium phosphate (TSP) in crystalline form is a chemically defined inorganic salt of phosphoric acid with three sodium ions, used primarily as a cleaning agent and degreaser. It falls under HTS 2835.29.30.00 as a trisodium phosphate, distinct from other phosphate salts like disodium or monosodium variants. This white, water-soluble powder is common in industrial cleaners and water treatment.
Duty Rate — China → United States
39.7%
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 chemical definition per Chapter 28/29 notes to confirm trisodium composition; provide lab analysis certificates
• Ensure SDS and proper UN packaging for corrosive Class 8 substances to avoid CBP holds