4-Hydroxyphenylglyoxylic Acid from China
4-Hydroxyphenylglyoxylic acid contains an aromatic ring with hydroxy and alpha-keto acid (glyoxylic) functions, fitting ketone with additional oxygen. HTS 2918.30.3000 covers this as 'other' aromatic derivative. Used in fine chemical manufacturing.
Duty Rate — China → United States
31.5%
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)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Provide acid value and functional group analysis to confirm carboxylic-ketone priority
• Exclude from Chapter 29 if dissolved for specific use beyond transport, per note (e)
• Verify no enzyme activity, excluded to 3507