Bis(tributyltin) Oxide from Germany
Also known as TBTO, this dimeric tributyltin oxide compound contains two tributyltin groups linked by oxygen, squarely within HTS 2931.20.00.00. Historically used in wood preservation and agriculture before regulatory phase-outs.
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
• Confirm exemption status under Stockholm Convention for specific uses
• Ship under proper organotin waste codes if for disposal applications
• Maintain certificates of analysis showing tin content for customs valuation