2930.90.92.51/Methanthiol Sodium Salt/Japan

Methanthiol Sodium Salt from Japan

Sodium methanethiolate is the sodium salt of methanethiol used as a nucleophile in organic synthesis. Classifies under HTS 2930.90.92.51 per note 2(C)(1) with the parent organic compound. 35% solution in water or dry powder form.

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

• pH >12 confirms active species concentration

• Water-reactive when dry; specify aqueous vs. solid form

• Sulfide odor evolution during decomposition requires ventilation