Diisopropyl Naphthalene Sulfonic Acid Sodium Salt from Germany
This sulfonated derivative of diisopropylnaphthalene contains only sulfo groups and is used as a dispersant in dyes and agrochemicals. Classified under HTS 2908.99.1500 as it meets the criteria for halogenated/sulfonated phenol derivatives (naphthalene as phenolic).
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 GC-MS analysis verifying sulfo content; ensure packaging prevents moisture absorption
• Pitfall: Bulk powder imports often require anti-caking certification to avoid Chapter 38 mixture classification