Heading 2850
Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading|2849
Tariff classification hierarchy
28INORGANIC CHEMICALS; ORGANIC OR INORGANIC COMPOUNDS OF PRECIOUS METALS, OF RARE-EARTH METALS, OF RADIOACTIVE ELEMENTS OR OF ISOTOPES2850Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading|2849
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This product group is a classification category and is not itself a declarable customs tariff code.
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Subgroups
2850002010Hydrides; nitrides · Silane (CAS RN 7803-62-5)2850002040Hydrides; nitrides · Germanium tetrahydride (CAS RN 7782-65-2)2850002060Hydrides; nitrides · Disilane (CAS|RN|1590-87-0)2850002070Hydrides; nitrides · Cubic Boron nitride (CAS RN|10043-11-5)2850002080Hydrides; nitrides · Arsine (CAS RN 7784-42-1) with a purity by volume of 99,999% or more, for use in the production of semiconductors2850002090Hydrides; nitrides · Other2850006010Azides; silicides · Azides · Sodium azide (CAS RN 26628-22-8)2850006019Azides; silicides · Azides · Other2850006091Azides; silicides · Silicides · Calcium silicon - a chemical compound that contains by weight 16 % or more of calcium, 45 % or more of silicon, less than 14 % of iron and not more than 10 % of any other element; whether or not presented in bulk, packaged in bags or in steel drums, enclosed in steel sheets (or cored wire), or otherwise presented2850006095Azides; silicides · Silicides · Other2850009000Borides