2-[(4-Aminophenyl)sulfonyl]ethanol, hydrogen sulfate ester from Canada
A chemically defined aromatic organo-sulfur compound serving as a dye intermediate, featuring a sulfonyl group linked to both phenyl and ethanol moieties. Classified under HTS 2930.90.26.00 as explicitly named, fitting chapter 29 for separate organic compounds with sulfur directly bound to carbon. Used in textile dyeing processes requiring high purity.
Duty Rate — Canada → United States
10%
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 detailed spectral analysis (NMR/IR) in documentation to confirm structure; declare as hazardous if corrosive due to sulfate ester
• Avoid bulk mixtures that could trigger chapter 38 chemical preparations classification
• Register with TSCA for environmental compliance before import