Research Grade Lithium PFOS (>99%) from China
High-purity (>99%) lithium perfluorooctane sulfonate for laboratory research on fluorosurfactants. Strictly classified under HTS 2904.33.00.00 as the pure chemical compound, meeting Chapter 29 note (a) criteria. Not excluded by any chapter limitations.
Duty Rate — China → United States
41.2%
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
• Ship in small quantities (<1kg) under research exemption to minimize regulatory hurdles
• Include university/lab end-user certificate to qualify academic import privileges
• Declare CAS 29457-72-5 and molecular formula C8F17LiO3S explicitly