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
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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