Sodium Oxalate from Mexico
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.
Duty Rate — Mexico → United States
13.1%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide assay certificate confirming >98% Na2C2O4 purity to distinguish from technical mixtures
• Label as 'analytical reagent grade' if applicable to support chapter 29 classification over chapter 28 inorganic salts
• Ensure packages clearly marked with chemical name per OSHA HazCom standards to avoid CBP reclassification