Disodium Phosphate Dodecahydrate from Mexico
The dodecahydrate form (Na2HPO4·12H2O) is used in lab reagents and as a laxative in pharma products. It qualifies under HTS 2835.22.00.00 as disodium phosphate, an inorganic salt excluded from organic chapters. Efflorescent crystals requiring sealed packaging for import.
Duty Rate — Mexico → United States
11.4%
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
• Specify hydrate water content in invoice (57% min) to match technical specs and prevent weight disputes
• Pharma imports need DMF filing; common error is bulk packaging mistaken for industrial grade
• Temperature-controlled shipping mandatory (<30°C) to avoid decomposition during transit