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Disodium Phosphate Dodecahydrate from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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