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2918.30.90.00/3-Ketobutyric Acid/Japan

3-Ketobutyric Acid from Japan

3-Ketobutyric acid, a beta-keto acid, contains ketone and carboxylic functions per HTS 2918.30.90.00 classification. Used in organic synthesis despite instability.

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

• Import as stabilized sodium salt to prevent decarboxylation

• Full elemental analysis required for customs verification

• Avoid 2918.90 if hydroxy tautomer predominates