2,5-Dichloro-4-(3-methyl-5-oxo-2-pyrazolin-1-yl) benzenesulfonic acid from Japan
A complex aromatic pyrazolone featuring dichloro substitution and a sulfonic acid on a benzene ring linked to a pyrazoline structure. Classified under HTS 2933.19.18.00 as a specifically listed compound with an unfused pyrazole ring (hydrogenated form). Used in manufacturing azo dyes and pigments.
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
• Include Certificate of Analysis (CoA) specifying isomer purity; comply with DOT regulations for corrosive sulfonic acid; check for stabilizer additions that might trigger reclassification