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2920.23.00.00/99% Pure Trimethyl Phosphite/Japan

99% Pure Trimethyl Phosphite from Japan

High-purity trimethyl phosphite (99%) used in fine chemical synthesis for agrochemicals and polymers. Falls under HTS 2920.23.00.00 as an ester of phosphorous acid without halogenation or other modifications.

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

• Provide GC-MS analysis confirming trimethyl phosphite content to avoid reclassification as mixture

• Label with GHS pictograms for flammable liquid and toxic hazards; ensure DOT-compliant shipping papers

• Check EU REACH compliance if transshipping, as phosphites require registration

99% Pure Trimethyl Phosphite from Japan — Import Duty Rate | HTS 2920.23.00.00