1,1,2,2-Tetrachlorocyclopropane from Japan
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 — Japan → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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