Thiocarbonyl Chloride (Thiophosgene) from Canada
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 — Canada → United States
3.7%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
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