Naphthalene-2-Sulfonic Acid from Germany
Naphthalene-2-sulfonic acid results from sulfonation of naphthalene hydrocarbon at the 2-position, fitting HTS 2904.99.50.00 as other sulfonated hydrocarbon derivatives. Essential intermediate for dye manufacturing and as a wetting agent.
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
• Provide positional isomer confirmation (CAS 93-11-8) via HPLC chromatogram to prevent misclassification as beta-naphthol derivatives
• Use DOT-approved packaging for corrosive liquids; segregate from amines/bases during transport