Tetrachlorocyclobutane from Japan
Tetrachlorocyclobutane features a four-membered ring with four chlorine atoms, used as a reactive intermediate. Classified in HTS 2903.89.70 for halogenated cyclanic hydrocarbon derivatives outside specific subheadings. Pure compound status confirmed by Chapter 29 note (a).
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Supply vapor pressure data for proper ventilation requirements during unloading
• Use temperature-controlled containers (<30°C) to maintain ring stability
• Document synthetic route to confirm no sulfonated byproducts present