Stabilized Thionyl Chloride for Pharmaceutical Use from Mexico
This stabilized form of thionyl chloride contains additives to prevent decomposition, ideal for converting alcohols and acids to chlorides in drug manufacturing. It is a chemically defined halide oxide under HTS 2812.17.00.00, meeting Chapter 28 Note 1 criteria for nonmetal compounds. Purity exceeds 99.5% with minimal impurities.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include GMP certificates and stabilizer composition to affirm Chapter 28 classification
• Use stainless steel or glass-lined containers to prevent reactions en route
• Avoid declaring as 'pharma intermediate' to prevent shift to Chapter 29 or 30