Dibutyltin Dilaurate from Mexico
Dibutyltin dilaurate is an organo-tin catalyst with tin-carbon bonds, used primarily as a catalyst in silicone and polyurethane production. It falls under HTS 2931.90.90.29 as other organo-tin compounds per Chapter 29 notes on direct metal-carbon linkages.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide TSCA certification and confirm <0.1% nonylphenol content to meet EPA stabilizer regulations
• Label with exact tin content and CAS number (77-58-7) for customs verification
• Prevent reclassification as plastic additive mixture under 3824 if purity exceeds 98%