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
137.5%
Rate breakdown
9903.04.6094.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
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)
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