1-Naphthylamine-8-sulfonic Acid (Peri Acid) from Canada
Peri acid, or 1-naphthylamine-8-sulfonic acid, is a derivative covered by HTS 2921.45.60.00 under additional U.S. note 3 to section VI. Widely used in azo pigment synthesis for inks and coatings.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Use tamper-evident packaging to prevent contamination during ocean transport
• Obtain REACH compliance documentation for EU transshipment
• Declare exact purity percentage as impurities affect classification