1-(2-Hydroxyphenyl)-1,3-butanedione from China
This compound is a 1,3-diketone with an ortho-hydroxyphenyl substituent, providing ketone and phenolic oxygen functions aromatically. Classified in HTS 2918.30.3000 as 'other' with ketone and additional oxygen. Common in chelating agents.
Duty Rate — China → United States
44%
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
• Use HPLC purity reports; diketone tautomerism requires keto-form confirmation
• For emetic-added safety versions, justify per note (g)