3-(4'-Aminobenzamido)phenyl-β-hydroxy-ethylsulfone from Canada
This is a specific aromatic organo-sulfur compound used primarily as an intermediate in the production of reactive dyes for textiles. It features a sulfone group directly linked to carbon in an aromatic structure, qualifying it under HTS 2930.90.26.00 as one of the named substances in the tariff description. The compound's chemical purity must meet chapter 29 requirements for separate chemically defined organic compounds.
Duty Rate — Canada → United States
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Import Tips
• Verify chemical identity with Certificates of Analysis (CoA) matching the exact named compound; ensure 99%+ purity to avoid reclassification as mixtures
• Provide end-use statements confirming dye intermediate application to prevent scrutiny under chapter exclusions
• Label containers with UN numbers for hazardous material transport compliance