1,1,2,2-Tetrachlorocyclopropane from Mexico
1,1,2,2-Tetrachlorocyclopropane features gem-dichlorides on a strained three-membered ring. Classified HTS 2903.89.70 as other halogenated cyclanic derivative. High ring strain makes it valuable for carbene transfer reactions.
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
• Monitor pressure buildup from thermal decomposition
• Include ring strain energy calculations for safety data
• Classify as Flammable Liquid 4 if containing stabilizers