Technical Grade P4S3 Powder from China
Technical grade phosphorus trisulfide (P4S3) powder is an industrial chemical for producing organic phosphorus compounds and as a reducing agent in metallurgy. Classified under HTS 2813.90.20.00 as 'of phosphorus' in the commercial phosphorus trisulfide subheading, it qualifies as a nonmetal sulfide per Chapter 28 exclusions and notes.
Duty Rate — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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)
Import Tips
• Declare exact CAS number (1314-85-2) and phosphorus content on commercial invoice; use DOT-approved drums for transport
• Pitfall: Incorrectly labeling as 'match striker' shifts it to consumer goods