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2831.10.50.00/Technical Sodium Sulfoxylate Dihydrate/Japan

Technical Sodium Sulfoxylate Dihydrate from Japan

Sodium sulfoxylate dihydrate (NaHSO2·2H2O) used in polymer synthesis and as a bleach in paper industry. HTS 2831.10.5000 covers this as 'other' sodium sulfoxylates, meeting inorganic compound purity notes. It decomposes to formaldehyde upon heating.

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

• Include water content analysis to confirm dihydrate status without shifting to mixtures

• Pair with end-use letters for industrial vs lab to prevent scrutiny

Technical Sodium Sulfoxylate Dihydrate from Japan — Import Duty Rate | HTS 2831.10.50.00