Di-tert-butyl Disulfide from Mexico
Di-tert-butyl disulfide is an organo-sulfur compound used as a polymerization modifier and lubricant additive. Falls under HTS 2930.90.92.51 as other organo-sulfur with S-S and C-S linkages. Provides steric protection in synthetic applications.
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
• Include GC-MS analysis confirming >95% purity to maintain pure compound status
• Declare flash point (55°C); flammable liquid precautions prevent shipping denials
• Avoid plastic packaging; reactive with many polymers causing containment breach