Ethyl Methyl Oxalate from China
Mixed ester ethyl methyl oxalate (CH3OOC-COO-C2H5) used as specialty solvent and intermediate. Covered by HTS 2917.11.00.00 as oxalic acid ester per chapter classification rules. Bp 165-170°C colorless liquid.
Duty Rate — China → United States
40.6%
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
• NMR spectrum confirms ester ratio; declare as specific mixed ester not simple mixture
• UN1993 flammable liquid; lower flash point (52°C) than symmetrical diesters
• Rare compound; provide synthesis route/method confirmation for customs verification