Methanthiol Sodium Salt from China
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 — China → United States
112.5%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• pH >12 confirms active species concentration
• Water-reactive when dry; specify aqueous vs. solid form
• Sulfide odor evolution during decomposition requires ventilation