CAS 88-51-7 2-Chloro-4-methyl-6-sulfanilic acid from Germany
Alternative naming for 2-Chloro-p-toluidine-5-sulfonic acid (CAS 88-51-7), an aromatic toluidine derivative with sulfonic acid group for enhanced solubility in azo pigment production. Precisely matches HTS 2921.43.90.20 due to its chemical definition as a toluidine salt derivative.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Use consistent nomenclature (e.g
• IUPAC or CAS) across shipping docs to match HTS description; request advance ruling for synonym variants
• Monitor for anti-dumping duties on dye intermediates from certain origins