Tinopal CBS-X Fluorescent Brightener from Japan
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 — 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
• 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