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

4-Aminophenol Hydrochloride Salt from Canada

4-Aminophenol hydrochloride is the salt form of p-aminophenol, used in hair dyes, pharmaceuticals, and as a polymer intermediate, featuring amino and phenolic functions. It is classified under HTS 2922.29.81 as salts thereof of amino-phenols, per Chapter 29 note (C)(1) directing inorganic salts to the organic compound's heading. This ensures consistency with the base amino-phenol classification.

Duty Rate — Canada → United States

16.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Declare as 'salts thereof' with base compound name and counterion (HCl) to match HTS description and Chapter 29 salt rules

Include assay data confirming >90% purity of the organic cation to avoid classification as mixtures outside Chapter 29 scope

Check for anti-caking agents; permissible under note (f) if solely for preservation and not altering use