2904.31.00.00/PFOS Stabilized with Triethanolamine/Canada

PFOS Stabilized with Triethanolamine from Canada

Perfluorooctane sulfonic acid with triethanolamine stabilizer added for preservation, permitted under Chapter 29 note (f). Remains classified in HTS 2904.31.00.00 as the stabilizer doesn't change primary character.

Duty Rate — Canada → United States

13.7%

Rate breakdown

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

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Import Tips

• Specify stabilizer percentage (<5% typically) and purpose in technical data sheet

• Validate stabilizer necessary for transport per Chapter 29 note (f) criteria

• Avoid excess amine that could reclassify as organic salt mixture