N-Acetyl-4-(2-Hydroxyethylamino)-3-Nitrophenol from China
Acetylated derivative of the listed 4-[(2-Hydroxyethyl)amino]-3-nitrophenol, maintaining oxygen-function amino character for HTS 2922.50.0700 classification. Intermediate for modified hair dye couplers with improved stability.
Duty Rate — China → United States
112.5%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Acetyl group doesn't change principal function; FTIR confirmation recommended
• Higher melting point than parent; validate batch identity
• Protected amino group for sequential synthesis; declare synthetic pathway