Elaidic Acid from Japan
Elaidic acid (trans-9-octadecenoic acid) is the trans isomer of oleic acid, an unsaturated acyclic monocarboxylic acid produced by partial hydrogenation. Classified HTS 2916.19.50.00 as other unsaturated acid. Used in margarine research and trans fat studies.
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
• IR spectroscopy confirming trans double bond (CAS 112-79-8)
• Distinguish from partially hydrogenated oil mixtures (Chapter 15)
• Include melting point 43-46°C specification