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2915.90.18.90/Neoheptanoic Acid/Japan

Neoheptanoic Acid from Japan

Neoheptanoic acid is a highly branched saturated acyclic C7 monocarboxylic acid used in specialty esters and synthetic lubricants. Falls under HTS 2915.90.18.90 as other saturated acyclic monocarboxylic acids per Chapter 29.

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%
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Import Tips

• Verify synthetic origin vs natural fatty acid mixtures

• Isomer distribution analysis prevents mixture classification