1-Naphthylamine-8-sulfonic Acid (Peri Acid) from China
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 — China → United States
26.5%
Rate breakdown
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
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
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