Benzoxazole Fluorescent Brightening Agent OB-1 from China
Benzoxazole OB-1 is a synthetic organic fluorescent brightening agent used to enhance the whiteness and brightness of polyester fibers and plastics. It falls under HTS 3204.20.40.00 as a benzoxazol-type product designed for optical brightening in textile and polymer applications. This chemical absorbs UV light and emits blue fluorescence, counteracting yellowing.
Duty Rate — China → United States
12.5%
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
Import Tips
• Verify chemical purity and structure via certificate of analysis to confirm benzoxazol classification under 3204.20.40.00
• Include Safety Data Sheets (SDS) and end-use declarations to prevent reclassification as a general dye