2839.90.50.00/Sodium Metasilicate Pentahydrate Powder/Japan

Sodium Metasilicate Pentahydrate Powder from Japan

Crystalline powder form of sodium metasilicate with five water molecules, widely used in heavy-duty cleaners and laundry detergents. It qualifies for HTS 2839.90.5000 as a commercial alkali metal silicate outside the specific sodium silicate subheadings.

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

• Label with exact hydrate form and SiO2/Na2O ratio for accurate duty assessment

• Comply with TSCA for US imports to avoid environmental agency scrutiny