Hydrogen Selenide Gas from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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