</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

HFO-1234ze with Stabilizer Additive from Mexico

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 — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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