Arsine Gas from Canada
Arsine (AsH3) is a highly toxic, flammable gas used in microelectronics for doping. As a hydride acid of nonmetal arsenic, it falls under HTS 2811.19.61 per Chapter 28 definitions for inorganic acids. Its classification excludes organo-inorganic forms.
Duty Rate — Canada → United States
14.2%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Import only in lecture bottles (<1L) due to pyrophoric nature (UN2198)
• Include end-user certificates for semiconductor fabs to expedite clearance
• Test for phosphine impurities that could shift to 2853