Cyclohexanediamine (1,2-Diaminocyclohexane) from China
1,2-Diaminocyclohexane is a cyclanic polyamine with adjacent amine groups on the ring, partially derived from aromatic o-phenylenediamine. Classified in HTS 2921.30.3000 as 'other' derivatives salts thereof, essential for chiral catalysts. Fits chapter's amine-function scope.
Duty Rate — China → United States
44%
Rate breakdown
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
9903.88.0325%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
• Specify stereoisomer details if applicable, as mixtures may shift classification; ensure stabilizer-free for pure compound status
• File with chemical safety data sheets (SDS)