Michler's Ketone (4,4'-Bis(dimethylamino)benzophenone) from Mexico
Michler's ketone is a diaryl ketone with two dimethylamino groups, widely used as a photosensitizer and dye intermediate. Falls under HTS 2918.30.2500 as an aromatic compound described in additional U.S. note 3 to section VI, emphasizing its ketone with oxygen-related functions in context.
Duty Rate — Mexico → United States
6.5%
Rate breakdown
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
• CAS 90-94-8 verification essential; provide chromatograms showing >98% purity to avoid mixture classification
• Note potential CMR (carcinogen/mutagen/reprotoxic) status requiring special handling declarations