</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2903.59.90.00/Heptafluoropentene/Japan

Heptafluoropentene from Japan

Heptafluoropentene acts as a deposition precursor in chemical vapor deposition for fluorocarbon films. Classified HTS 2903.59.90.00 as unsaturated fluorinated acyclic hydrocarbon per Chapter 29 scope. Pure compound status confirmed by spectroscopic analysis.

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

• Submit process gas specification sheets showing moisture <10 ppm

• Include leak test certificates for cylinders per CGA C-6 standards

• Declare CVD manufacturing end-use to qualify for potential duty exemptions

Heptafluoropentene from Japan — Import Duty Rate | HTS 2903.59.90.00