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2920.23.00.00/Distilled Trimethyl Phosphite 98%/Japan

Distilled Trimethyl Phosphite 98% from Japan

Vacuum-distilled trimethyl phosphite at 98% purity for pharmaceutical phosphonate synthesis. HTS 2920.23.00.00 as chemically defined phosphite ester.

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

• FDA prior notice if pharma intermediate; GMP cert for distilled grades

• Test for methanol content (<0.5%) to confirm ester integrity

• Declare CAS 121-45-9 explicitly on commercial invoice