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2904.10.32.00/Naphthalene Trisulfonic Acid Sodium Salt/Canada

Naphthalene Trisulfonic Acid Sodium Salt from Canada

1,3,6-Naphthalenetrisulfonic acid trisodium salt, though containing multiple sulfo groups, classified under HTS 2904.10.32.00 per note 3. Dye manufacturing intermediate.

Duty Rate — Canada → United States

15.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Confirm trisulfonation pattern via HPLC

• High water solubility (>50%) characteristic

• Dye precursor; verify end-use declaration

Naphthalene Trisulfonic Acid Sodium Salt from Canada — Import Duty Rate | HTS 2904.10.32.00