Salt 3B Diazonium Salt from China
Salt 3B is a stabilized diazonium salt used in coupling reactions for scarlet azo dyes applied to cotton fabrics. It qualifies for HTS 2927.00.40.00 as a product listed in additional U.S. note 3 to section VI for regulated dye intermediates. The compound contains necessary stabilizers for safe handling per chapter note (f).
Duty Rate — China → United States
31.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Provide certificates of analysis confirming purity and stabilizer content to comply with chapter impurity allowances
• Avoid retail-ready packaging; bulk industrial shipments maintain chapter 29 classification over chapter 32
• Check EPA pre-manufacture notices if not previously registered under TSCA for new dye intermediates