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