Thiocarbonyl Chloride (Thiophosgene) from Mexico

Thiophosgene (Cl2C=S) is a yellow liquid that qualifies as a chloride of nonmetals under HTS 2812.19.00 due to its carbon-chlorine bonds analogous to phosgene. Commonly used in organic chemistry for converting alcohols to chlorides.

Duty Rate — Mexico → United States

3.7%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

Include proof of laboratory or industrial end-use to prevent scrutiny under chemical weapons precursors lists

Ship under UN 2474 with temperature controls to maintain stability below decomposition point

Ensure accurate CAS number (594-42-3) declaration matches import manifests