</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Industrial Nitrosulfuric Acid Solution 98% from Mexico

A 98% pure aqueous solution of nitrosylsulfuric acid used in organic synthesis and explosives manufacturing. Falls under HTS 2808.00.00.20 as a chemically defined sulfonitric acid per Chapter 28 definitions, excluding organo-inorganic mixtures.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Ensure solution concentration >96% for sulfonitric status; dilute forms risk reclassification to mixtures

File EPA import notifications for TSCA-regulated chemicals; include exposure limits data