2903.59.90.00/1,1,1,2,3,4,4,5,5,5-Decafluoropent-2-ene (trans)/Japan

1,1,1,2,3,4,4,5,5,5-Decafluoropent-2-ene (trans) from Japan

Trans-decafluoropent-2-ene functions as heat transfer fluid and dielectric gas. Classified HTS 2903.59.90.00 per stereochemical isomer rules in Chapter 29. Specific geometric isomer verified by NMR spectroscopy.

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%

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Import Tips

• Specify E-isomer content >95% per GC analysis

• Include dielectric strength test results (45 kV minimum)

• Verify global warming potential <1 per IPCC methodology