Phthalimide Derivative N-Cyclohexylthiophthalimide Chemical Intermediate from Canada
This phthalimide derivative, N-Cyclohexylthiophthalimide, serves as a chemical intermediate in organo-sulfur synthesis for rubber chemicals. Classified in 2930.90.24.00 due to its aromatic organo-sulfur nature with direct carbon-sulfur bonds, aligning with Chapter 29 provisions for separate chemically defined compounds.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide end-use statement if re-exported to avoid anti-dumping scrutiny; ensure no water dissolution beyond Chapter note (d)
• Pitfall: bulk packaging misdeclared as Chapter 27 hydrocarbons