Tinopal CBS-X Fluorescent Brightener from Canada
Tinopal CBS-X is a commercial grade of Fluorescent brightening agent 32, a stilbene-based synthetic organic product under HTS 3204.20.10.00. It imparts superior whiteness to cotton fabrics and cellulosic materials by converting UV radiation to visible blue light. Classified specifically due to its chemical structure matching agent 32 definition.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include manufacturer's specification confirming FBBA 32 identity (e.g
• distyrylbiphenyl structure); ensure proper packaging to prevent moisture degradation during shipping
• Common pitfall: incorrect declaration as 'optical brightener' without specific agent number