Sulfur Trioxide from Germany
Sulfur trioxide (SO₃), used in sulfonation and as sulfuric acid dehydrating agent. As the anhydride form, it's an inorganic oxygen compound of sulfur under HTS 2811.29.5000. Supplied stabilized.
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
• UN 1831; corrosive liquid; stainless steel containers only
• Stabilizer content declaration prevents 2807 classification
• Moisture exclusion critical during transit