Thionyl Chloride Alternative Sulfur Dichloride from Mexico
This high-reactivity sulfur dichloride serves as a thionyl chloride substitute in converting carboxylic acids to acid chlorides, squarely under HTS 2812.16.00.00 for sulfur chloride oxides. It's a staple in fine chemical manufacturing.
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
• Label as corrosive (8) and toxic (6.1); segregate from water-reactive goods during shipping
• Test for moisture content <0.1% to maintain stability and proper classification
• Avoid bulk imports without stabilization—prone to decomposition causing customs holds