Isopropoxy-Protected Cyclohexanone Derivative from China
Laboratory reagent 1,1-bis(1-methylethoxy)cyclohexane serving as protected form of cyclohexanone. Classified under HTS 2911.00.10.00 due to specific acetal structure meeting chapter definition (a). Used in asymmetric synthesis and natural product isolation.
Duty Rate — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Label with GHS pictograms (Flame, Exclamation Mark) per OSHA HazCom; cyclohexyl ethers are irritants
• Small package exemption may apply for R&D quantities under 2.5kg, but verify with CBP
• Avoid water-contaminated containers—hydrolyzes to cyclohexanone (HTS 2914.22.2000)