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

Adipic Acid Mixed Esters from Japan

Mixed esters combining adipic acid with different alcohols (e.g., butyl/hexyl) used in specialty lubricants. HTS 2917.12.5000 as other adipic acid esters per Chapter 29 note (A) last-in-numerical-order rule. Chemically defined despite mixed alcohol components.

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

Specify exact alcohol ratios in CoA; customs may require HPLC chromatograms

Lubricant base stock documentation prevents 2710 reclassification

Biodegradability claims need OECD 301 testing certification