Isobutyraldehyde from China
Isobutyraldehyde ((CH3)2CHCHO) is a branched acyclic aldehyde critical for producing isobutanol, methionine, and fragrances. Classified HTS 2912.19.5000 as acyclic aldehyde without other oxygen functions, in 'other' subcategory. Pure organic compound per Chapter 29 standards.
Duty Rate — China → United States
43%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• CAS 78-84-2 documentation required; include distillation range specs
• Flammable liquid UN 2045; inhibit polymerization during storage
• Confirm <0.1% methanol content to avoid alcohol heading misclassification