Ethyl Methyl Oxalate
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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as saturated acyclic ester
Other saturated acyclic monocarboxylic esters in different heading; oxalic specificity prevails.
If contains isomeric impurities >5%
Mixtures of isomers excluded from chemically defined compounds per chapter note (b).
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Import Tips & Compliance
• 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
Related Products under HTS 2917.11.00.00
Oxalic Acid Dihydrate
Oxalic acid dihydrate (C2H2O4·2H2O) is the crystalline form of oxalic acid commonly used in industrial cleaning and metal polishing. It falls under HTS 2917.11.00.00 as a separate chemically defined acyclic polycarboxylic acid. This pure compound meets chapter 29 note (a) without exclusions.
Sodium Oxalate
Sodium oxalate (Na2C2O4) is the disodium salt of oxalic acid used in analytical chemistry and textile processing. Classified under HTS 2917.11.00.00 per chapter note on inorganic salts of organic acids staying with parent acid heading. Meets criteria as salt of acyclic polycarboxylic acid.
Potassium Binoxalate
Potassium hydrogen oxalate (KHC2O4) or potassium binoxalate used in photography and metal finishing. Falls under HTS 2917.11.00.00 as acid salt of oxalic acid per classification notes. Chemically defined organic compound containing required functional groups.
Dimethyl Oxalate
Dimethyl oxalate (CH3OOC-CO-OCH3) is the dimethyl ester of oxalic acid used as solvent and chemical intermediate. HTS 2917.11.00.00 covers oxalic acid esters per heading description and chapter ester classification notes. Liquid organic compound meeting chapter 29 purity requirements.
Diethyl Oxalate
Diethyl oxalate ((COOC2H5)2) is the ethyl ester of oxalic acid used in pharmaceutical synthesis and dye manufacturing. Specifically included in HTS 2917.11.00.00 as oxalic acid ester. Chapter notes confirm esters classified with parent acid occurring last in numerical order.
Ammonium Oxalate
Diammonium oxalate ((NH4)2C2O4·H2O) used in textile dyeing and analytical reagent applications. Classified HTS 2917.11.00.00 as salt of oxalic acid per chapter inorganic salt classification rules. Chemically defined compound meeting chapter purity standards.