Ammonium Oxalate from Mexico
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.
Duty Rate — Mexico → United States
13.1%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Specify crystal water content (1H2O) on COA as affects molecular weight declarations
• Ammonium salts evolve ammonia; ensure ventilation requirements in shipping papers
• Distinguish from fertilizer grades (3102.30) by declaring 'technical grade >98% purity'