2904.31.00.00/PFOS Stabilized with Triethanolamine/Japan

PFOS Stabilized with Triethanolamine from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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