Pyridine Bases from Coal Tar from Germany
Pyridine bases are coal tar light oil fractions containing pyridine, picolines for solvents and pharmaceuticals, under 50% single component. HTS 2707.99.90 as other aromatic coal tar distillate.
Duty Rate — Germany → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• NMR spectroscopy verifying heterocyclic aromatic content
• UN 1547 corrosive liquid classification if >10% pyridine
• Purity certificates prevent pharmaceutical chemical reclassification