N1,N4,N4-Tris(2-hydroxyethyl)-2-nitro-1,4-phenylenediamine from Mexico
An aromatic phenylenediamine derivative featuring three 2-hydroxyethyl groups and a nitro substituent, explicitly listed under this HTS code. Classified here as an other aromatic amino-alcohol with oxygen function, used mainly in oxidative hair coloring systems. Meets chapter 29 requirements for chemically defined organic compounds with single-type oxygen function.
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 structural formula and NMR/GC-MS data to match exact CAS-listed compound
• Comply with TSCA pre-manufacture notice if first import; check EPA chemical inventory
• Declare as pure substance, not preparation, to avoid reclassification to 3824 mixtures