Cyanoacetic Acid from China
Cyanoacetic acid (NC-CH2-COOH) is a nitrile carboxylic acid used in pharmaceutical synthesis and herbicides. Despite dual functions, HTS 2926.90.5050 applies per Chapter 29 classification prioritizing later numerical heading for nitrile. Highly corrosive and reactive material.
Duty Rate — China → United States
25%
Rate breakdown
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)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• pH neutralization certificates for solid forms; avoid aqueous misdeclaration
• Confirm free acid vs salt form; salts follow base/acid rule in notes
• UN2788 hazard class requires specific overpack labeling