Hydrogen Selenide Gas from Canada
Hydrogen selenide (H2Se) is a colorless, toxic, flammable gas classified as an other inorganic acid under HTS 2811.19.61 due to its acidic properties and composition as a binary compound of nonmetal hydrogen and selenium. It is used in chemical synthesis and semiconductor doping.
Duty Rate — Canada → United States
14.2%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Obtain EPA approvals and ensure UN-approved cylinders for toxic gas transport
• Provide detailed safety data sheets (SDS) and chemical purity certificates at customs
• Avoid misclassification as a metal compound; verify nonmetal composition