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
100%
Rate breakdown
9903.04.6096.3%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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