Methacrylamide Distillation Residue (Purified) from Mexico
Purified distillation bottoms containing primarily methacrylamide with trace amide isomers. Qualifies under 2924.19.11.30 as chemically defined methacrylamide meeting Chapter 29 purity standards.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%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
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• GC-MS analysis required proving methacrylamide >90% to avoid 2924.19.80
• Declare all trace impurities; undisclosed isomers trigger penalties
• Dark storage required to prevent photo-degradation