Dibutyltin Dilaurate from China
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 — China → United States
137.5%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0425%Except as provided in headings 9903.88.33, 9903.88.34, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(g) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(g)
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%