1-(3-Sulfopropyl)-3-methylimidazolium Inner Salt from Germany
A zwitterionic imidazolium compound used in photographic wetting agents and antistatic coatings for film bases. The heterocyclic nitrogen structure provides surface activity essential for processing. Falls under HTS 2933.99.24.00 as a photographic chemical.
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
• Classify as inner salt per Chapter 29 organic salt provisions; provide zwitterion structure confirmation; ensure surfactant performance specifications