J Acid Diazo Coupler from Japan
J Acid (2-amino-8-naphthol-6-sulfonic acid) is a critical coupler for azo dyes producing blue-violet shades on textiles. Included in additional U.S. note 3 products for HTS 2927.00.40.00 as part of diazo-/azo- chemistry intermediates. Meets chapter (a) as separate chemically defined organic compound.
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
• Provide spectral analysis confirming structure matches note 3 specifications
• Use UN-approved chemical packaging; diazo intermediates pose reactivity hazards
• Avoid blending with diazonium salts pre-import; mixtures risk 3824 reclassification