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2-Naphthylamine-3,6-disulfonic Acid (R Acid) from Japan

R Acid is a disulfonated derivative of 2-naphthylamine included in HTS 2921.45.60.00 per U.S. note 3. Critical intermediate for direct and reactive dyes used in cotton dyeing.

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

Label with GHS pictograms for skin corrosion and aquatic toxicity hazards

Verify country of origin as antidumping duties may apply to certain dye intermediates

Use refrigerated containers if stability data indicates temperature sensitivity