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2808.00.00.20/Chamber Process Sulfonitric Acid/Mexico

Chamber Process Sulfonitric Acid from Mexico

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 — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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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 Mexico — Import Duty Rate | HTS 2808.00.00.20