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2915.90.18.90/Isobutyric Acid/Mexico

Isobutyric Acid from Mexico

Isobutyric acid (2-methylpropanoic acid) is a saturated acyclic monocarboxylic acid used in organic synthesis, flavorings, and as an intermediate for pharmaceuticals. It falls under HTS 2915.90.18.90 as a saturated acyclic monocarboxylic acid not elsewhere specified in heading 2915. This classification follows Chapter 29 notes for separate chemically defined organic compounds.

Duty Rate — Mexico → United States

14.2%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Provide Safety Data Sheets (SDS) and purity certificates to verify chemical identity and compliance with TSCA regulations

• Ensure proper Hazard Class 8 labeling for corrosive properties during transport

• Avoid misclassification as aromatic acids (2916) by confirming acyclic saturated structure via COA

Isobutyric Acid from Mexico — Import Duty Rate | HTS 2915.90.18.90