N1,N4-Dimethyl-N1-(2,3-dihydroxypropyl)-3-nitro-1,4-phenylenediamine from Canada
A specialized amino-alcohol with dihydroxypropyl substitution, nitro, and dimethyl groups on phenylenediamine core, explicitly covered by this subheading. Falls under 2922 as 'other' aromatic amino-alcohols; note the single type of oxygen function (alcohol) despite multiple groups. Used in high-performance permanent hair coloring agents.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Confirm via HPLC that compound matches exact specification; impurities >1% may trigger review
• Use UN-approved packaging for nitro-organic sensitivity; declare PGIII if applicable
• Document end-use as chemical intermediate to prevent cosmetic classification