2-Naphthylamine-3,6-disulfonic Acid (R Acid) from Canada
R Acid is a disulfonated derivative of 2-naphthylamine included in HTS 2921.45.60.00 per U.S. note 3. Critical intermediate for direct and reactive dyes used in cotton dyeing.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Label with GHS pictograms for skin corrosion and aquatic toxicity hazards
• Verify country of origin as antidumping duties may apply to certain dye intermediates
• Use refrigerated containers if stability data indicates temperature sensitivity