Cyclic Trimethylenetricarboxylic Triamide Tin Complex from Japan
Specialty organo-tin complex for polymer catalysis with tin directly linked to carbon atoms. HTS 2931.90.90.29 applies as other organo-tin not specifically provided for.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Include peer-reviewed structural analysis confirming Sn-C coordination bonds
• Declare as UN 2788 if >25% tin content; check PG III packaging requirements
• Complexes may face coordination compound note (C)(3); tin fragment determines 2931