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3204.90.00.00/Optical Brightener CBS-X/Japan

Optical Brightener CBS-X from Japan

CBS-X (CI Fluorescent Brightener 71) stilbene derivative for cotton whitening in detergents and paper. Synthetic fluorescent brightening agent under HTS 3204.90.00.00. Excellent alkaline stability.

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%
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Import Tips

• Alkaline hydrolysis stability data required for detergent end-use claims

• UV absorption/emission spectra (370/430nm) confirm FBA classification