Salt 3B Diazonium Salt from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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