Malonic Acid (99% Purity) from Japan
Malonic acid (propanedioic acid, CAS 141-82-2) is a white crystalline dicarboxylic acid used primarily as a chemical intermediate in pharmaceutical synthesis. It falls under HTS 2917.19.35.00 as a separate chemically defined acyclic polycarboxylic acid without halogenated, sulfonated, nitrated, or nitrosated derivatives. This high-purity grade meets chapter 29 note (a) for classification.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide Certificate of Analysis (CoA) confirming 99% purity and CAS 141-82-2 to verify classification as chemically defined malonic acid
• Ensure proper Hazard Class 8 labeling (corrosive solid) and include Safety Data Sheet (SDS) for DOT compliance
• Avoid misclassification as mixtures; single-component shipments only under this code