</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2903.59.10.10/HFO-1234ze with Stabilizer Additive/Japan

HFO-1234ze with Stabilizer Additive from Japan

1,1,3,3,3-Pentafluoro-2-(trifluoromethyl)-prop-1-ene containing a necessary stabilizer for preservation during transport. Per Chapter 29 note (f), it remains classified under HTS 2903.59.10.10 as the base compound with added stabilizer. Used in industrial refrigeration systems.

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%
Calculate with your customs valueVerify classification with AI

Import Tips

• Document stabilizer as 'necessary for preservation/transport' per Chapter 29 note (f) with <1% concentration

• Avoid excess additives that could trigger reclassification as formulated product under Chapter 38

• Comply with REACH/CLP regulations for hazard labeling of stabilized fluorocarbons

HFO-1234ze with Stabilizer Additive from Japan — Import Duty Rate | HTS 2903.59.10.10