Fast Green Base B from Canada
Fast Green Base B is an oxygen-function amino-naphthol salt optimized for green azo dye synthesis in synthetic fiber printing. HTS 2922.29.2600 covers it as a fast color base, a salt thereof fitting the heading's scope for chemically defined compounds.
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 NMR spectra if challenged on 'separate chemically defined' status
• Ensure no coordination with metals, which would classify per note (C)(3)
• Comply with TSCA inventory listing for new chemical import notifications