p-Phenylenediamine Dihydrochloride from Canada
p-Phenylenediamine dihydrochloride acts as a primary developing agent in photographic film processing and is a key aromatic polyamine salt. It merits HTS 2921.51.20.00 classification as a designated photographic chemical. Satisfies Chapter 29 criteria for salts of amine-function compounds.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify <1% impurities to maintain chemically defined compound status; provide downstream photographic user contracts; note potential allergen labeling requirements for amine chemicals