2927.00.06.00/p-Aminoazobenzenedisulfonic acid/Japan

p-Aminoazobenzenedisulfonic acid from Japan

p-Aminoazobenzenedisulfonic acid is a chemically defined diazo compound featuring an azo (-N=N-) linkage and two sulfonic acid groups, explicitly listed under HTS 2927.00.06.00. It serves as a key intermediate in the synthesis of direct dyes for textiles and paper.

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

• Provide detailed chemical analysis (NMR, IR spectra) confirming azo structure and sulfonic acid purity to avoid reclassification as mixtures

• Include Safety Data Sheets (SDS) and ensure packaging complies with UN hazmat regulations for corrosive sulfonic acids

• Verify importer has proper TSCA registration as this compound requires EPA notification for U.S. manufacturing