Methanthiol Sodium Salt from Canada
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 — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• pH >12 confirms active species concentration
• Water-reactive when dry; specify aqueous vs. solid form
• Sulfide odor evolution during decomposition requires ventilation