Naphthol AS Photoinitiator from China
This is 1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo, ester with phenyl(2,3,4-trihydroxyphenyl)methanone, a diazo compound used as a photoinitiator in printing inks and UV-curable coatings. It falls under HTS 2927.00.18.00 as one of the specifically enumerated diazo compounds in the diazo-, azo- or azoxy-compounds heading of Chapter 29.
Duty Rate — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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
• Verify exact chemical identity matches the enumerated compound via Certificate of Analysis to ensure proper classification under this specific subheading
• Provide detailed chemical structure and CAS number documentation; these compounds require EPA TSCA pre-manufacture notification if not on inventory