TsCl 99% Pure for Synthesis from China
High purity p-toluenesulfonyl chloride (99%) for laboratory synthesis, classified under HTS 2904.10.10.00 as the specifically named sulfonated toluene derivative. Essential for alcohol and amine protection in pharmaceutical intermediates.
Duty Rate — China → United States
43%
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
• Lab grade requires additional end-use statement distinguishing from industrial bulk
• Nitrogen blanketing certificates prevent decomposition claims at customs inspection
• CAS 98-59-9 verification mandatory; sulfonamide contamination shifts to 2921