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2835.10.00.00/Magnesium Phosphite/Japan

Magnesium Phosphite from Japan

Magnesium phosphite (MgHPO3) serves in fire retardants and water treatment applications. As a phosphonate of magnesium, it falls under HTS 2835.10.00.00 per chapter definitions excluding section V products. Typically a white insoluble powder.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Confirm not pure MgO (excluded per chapter note); solubility specs required; flame test data helpful