Benzoxazole Fluorescent Brightening Agent OB-1 from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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