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2808.00.00.20/Chamber Process Sulfonitric Acid/Japan

Chamber Process Sulfonitric Acid from Japan

Sulfonitric acid produced via the chamber process for sulfuric acid manufacturing, existing primarily as nitrosylsulfuric acid. It is classified in HTS 2808.00.00.20 as a sulfonitric acid, distinct from pure nitric acid under the same heading.

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

• Reference USITC rulings on chamber acid; provide production process documentation to distinguish from 2808.00.00.00 nitric acid

• Classify as Corrosive 8 (UN 1791); require acid-proof packaging and spill containment certifications

Chamber Process Sulfonitric Acid from Japan — Import Duty Rate | HTS 2808.00.00.20