Cycloheptane from Japan
Cycloheptane (C7H14) is a seven-membered saturated cycloalkane used as a solvent and reaction medium in chemical manufacturing. It qualifies under HTS 2902.19.0050 as a cyclane, being a non-aromatic cyclic hydrocarbon.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide GC-MS analysis confirming >98% cycloheptane purity to avoid reclassification as chemical mixture
• Label containers with UN 2241 hazardous material markings; ensure temperature-controlled shipping below 50°C flash point
• Maintain certificates of origin distinguishing synthetic cycloheptane from petroleum cycloparaffins