N,N-Dimethylethanolamine (DMEA) from China
N,N-Dimethylethanolamine is a tertiary amino alcohol with the formula (CH3)2NCH2CH2OH, classified under HTS 2922.19.9619 as an N,N-dialkyl-2-aminoethanol. It is a clear liquid used primarily as a catalyst in polyurethane foam production and as a pH adjuster in water treatment.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.6093.5%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
• Verify purity certificate (typically >99%) to confirm classification as chemically defined compound under Chapter 29 note (a)
• Include SDS and handling instructions due to corrosive nature; ensure DOT-compliant packaging for transport
• Avoid misclassification as cleaning preparation (HTS 3402) if sold undiluted for industrial use