3,4-Diaminophenetole Dihydrogen Sulfate from Mexico
3,4-Diaminophenetole dihydrogen sulfate is a chemically defined aromatic amino-alcohol-phenol compound with oxygen function, explicitly listed under HTS 2922.50.0700. It is primarily used as an intermediate in the synthesis of oxidative hair dyes for permanent coloring applications.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%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
• Provide detailed chemical analysis and CAS number (615-05-4) on commercial invoice to confirm classification as listed compound
• Ensure SDS and purity certificates (>98%) to meet REACH/ TSCA registration requirements for cosmetic intermediates
• Avoid misclassification as general dye by specifying intermediate use, not finished coloring matter (excl
• Ch. 32)