Fast Yellow Base GC Salt from Japan
Fast Yellow Base GC Salt is a stabilized diazonium salt used as a fast color salt for producing yellow azo dyes in leather and paper coloration. It provides excellent fastness to light and washing in final dye applications. HTS 2927.00.30.00 covers this as a fast color salt diazo compound.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include coupling test certificates demonstrating colorfast properties required for 'fast color salt' status
• Ensure temperature-controlled shipping; diazonium salts decompose above 5°C
• Declare as 'not for retail sale' to avoid Chapter 32 retail dye packings classification