p-Aminodimethylaniline Hydrochloride from Canada
p-Aminodimethylaniline hydrochloride, a derivative of p-phenylenediamine, functions as a photographic developing agent in black-and-white film processing. It qualifies under HTS 2921.51.20.00 as a designated photographic chemical consisting of aromatic polyamine salts. The compound adheres to Chapter 29 definitions for separate chemically defined amine-function products.
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
• Provide evidence of use in photographic emulsions via end-user letters; confirm hydrochloride salt purity >98% for proper classification; beware of anti-dusting agents that could invoke Chapter 29 note (g)