4-tert-Butylcyclohexanone from Canada
4-tert-Butylcyclohexanone is a sterically hindered methylcyclohexanone derivative where the 4-position bears a tert-butyl group, under HTS 2914.22.20.00. Used in steroid synthesis and liquid crystal production.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Specify cis/trans isomer ratio on invoice as it affects end-use applications
• Validate with HPLC certificate to confirm >99% purity
• Comply with EPA TSCA inventory listing for new chemical import