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2922.21.10.00/6-Amino-1-naphthol-3-sulfonic acid (J Acid)/Japan

6-Amino-1-naphthol-3-sulfonic acid (J Acid) from Japan

J Acid (6-Amino-1-naphthol-3-sulfonic acid) and its salts are specifically enumerated under HTS 2922.21.1000 as essential intermediates for direct and reactive dyes used in cellulosic fibers. The compound's ortho amino-hydroxy positioning enables stable azo coupling. Typically imported as 92-98% purity technical grade.

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

• HPLC chromatogram required to distinguish J Acid from isomeric naphthol acids

• pH stability testing prevents decomposition claims during ocean transit

• Confirm <0.1% heavy metals to meet REACH and TSCA impurity standards

6-Amino-1-naphthol-3-sulfonic acid (J Acid) from Japan — Import Duty Rate | HTS 2922.21.10.00