4-Diazo-2,5-Dibutoxyphenyl Morpholine from Canada
This diazo compound serves as a key coupling component in color photographic film development, forming azo dyes upon reaction with couplers. It falls under HTS 2927.00.25.00 as a diazo-type photographic chemical used specifically in photosensitive materials for imaging processes.
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
• Provide certificates of analysis confirming diazo purity and photographic-grade specifications to avoid reclassification
• Declare exact chemical composition and CAS number on commercial invoice to comply with TSCA import requirements
• Avoid bulk packaging that suggests industrial non-photographic use, which could trigger Chapter 28 scrutiny