Thionyl Chloride with Pyridine Stabilizer from China
Thionyl chloride stabilized with 0.1% pyridine inhibits decomposition for safer storage and transport in pharma synthesis. Still classified under HTS 2812.17.00.00 as the principal compound is chemically defined thionyl chloride per Chapter notes. The stabilizer is below threshold for reclassification.
Duty Rate — China → United States
38.7%
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
• Disclose stabilizer percentage (<1%) in import docs to retain Chapter 28 status
• Monitor for pyridine odor indicating excess, which could trigger organic classification
• Ensure compatibility with pharma cleanroom standards upon arrival