Acrylamide with MEHQ Inhibitor from Japan
Acrylamide containing 30-50 ppm 4-methoxyphenol (MEHQ) as polymerization inhibitor for extended shelf life. Remains under HTS 2924.19.11.10 per Chapter 29 note (f) as stabilizer doesn't render product specific-use beyond general chemical applications.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.6211.3%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% 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
• Quantify inhibitor precisely on commercial invoice (typically 20-60 ppm) to validate stabilizer exception
• Confirm MEHQ addition solely prevents premature polymerization during transport per Chapter notes
• Monitor total impurities; >2% may risk reclassification as technical mixtures