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DEEP Stabilized with 0.1% Antioxidant from Japan

Diethyl ethylphosphonate stabilized with 0.1% antioxidant for transport and storage stability, qualifying under Chapter 29 note (f) for added stabilizers. Specifically classified in HTS 2931.43.00.00 as the named organo-phosphorus compound with necessary preservation additive. Used in pesticide intermediate production.

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%

Import Tips

Document stabilizer as necessary for preservation per Chapter 29 note (f), not exceeding 1% typically

List all additives on commercial invoice with percentages to prevent reclassification as 3824 mixtures

Ensure stabilizer doesn't render product suitable for specific use beyond general chemical intermediate