Oxalic acid, its salts and esters
Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: > Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives: > Oxalic acid, its salts and esters
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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)
Products classified 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.
Calcium Oxalate
Calcium oxalate monohydrate (CaC2O4·H2O) used in ceramics and as analytical standard. HTS 2917.11.00.00 classification follows chapter notes keeping organic acid salts with parent acid heading. Insoluble white powder meeting chemical definition.
Oxalic Acid 10% Solution
Aqueous solution containing 10% oxalic acid dihydrate used for rust removal and wood bleaching. Qualifies for HTS 2917.11.00.00 per chapter note (d) allowing products of (a) dissolved in water. Concentration represents standard transport form.
Dipotassium Oxalate
Dipotassium oxalate (K2C2O4·H2O) used in laboratory analysis and as precipitating agent. HTS 2917.11.00.00 as potassium salt of oxalic acid per classification hierarchy. Hygroscopic powder requiring moisture protection.
Dibutyl Oxalate
Dibutyl oxalate ((COOC4H9)2) used as plasticizer intermediate and solvent. Classified HTS 2917.11.00.00 as oxalic acid ester following chapter ester rules prioritizing later numerical heading. Colorless liquid with bp 232°C.
Ferric Ammonium Oxalate
Ferric ammonium oxalate (NH4)3[Fe(C2O4)3] used in blueprint photography and iron analysis. HTS 2917.11.00.00 as coordination compound per chapter note (C)(3) classified with organic oxalate fragments. Green crystalline solid.
Oxalic Acid with Anti-Caking Agent
Oxalic acid dihydrate with <0.5% silicon dioxide anti-caking agent for free-flowing powder. Qualifies HTS 2917.11.00.00 per chapter note (f) allowing stabilizers necessary for transport. Addition doesn't render suitable for specific use.
Disodium Oxalate
Anhydrous disodium oxalate (Na2C2O4) used in water treatment and calibration standards. HTS 2917.11.00.00 classification as sodium salt of oxalic acid follows chapter salt rules. High purity white powder.
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.
Oxalic Acid Technical Grade
Technical grade oxalic acid dihydrate (97-99% purity) for industrial cleaning and metal treatment. Still qualifies HTS 2917.11.00.00 as chemically defined organic compound per chapter standards. Minor impurities don't affect principal classification.