2836.20.00.00/Anhydrous Soda Ash (Disodium Carbonate)/Japan

Anhydrous Soda Ash (Disodium Carbonate) from Japan

Anhydrous soda ash is a pure form of disodium carbonate (Na2CO3) used primarily in the glass manufacturing industry as a flux to lower melting temperatures. It falls under HTS 2836.20.00.00 as it is explicitly classified as disodium carbonate, a key inorganic compound in Chapter 28 for carbonates of inorganic bases.

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

• Verify purity levels exceed 99% to confirm classification as disodium carbonate; provide chemical analysis certificates to avoid misclassification as sodium bicarbonate

• Ensure bulk packaging complies with DOT hazardous material regs if hydrated