N,N-Diethyl-p-phenylenediamine Sulfate from Canada
N,N-Diethyl-p-phenylenediamine sulfate is a p-phenylenediamine derivative serving as a color developing agent in color photographic processing. Classified under HTS 2921.51.20.00 for its role as a photographic chemical and aromatic polyamine salt. Meets Chapter 29 requirements for amine-function derivatives used in specialized chemical applications.
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
• Include technical data sheets proving photographic application to avoid reclassification; ensure salt form is documented per Chapter 29 note on salts; check for stabilizer additions that might trigger note (f) requirements