Phenanthroline from Germany
1,10-Phenanthroline is a tridentate heterocyclic ligand forming colored complexes with metal ions, used in analytical chemistry. Falls under HTS 2934.99.90.01 as other heterocyclic nitrogen compounds.
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
• Specify chelation capacity in technical data sheet for lab reagent verification
• Use child-resistant packaging if >1% concentration per CPSC rules
• Test for heavy metal impurities which affect complex formation purity