HTS code 2925.19.30.00 covers "Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds › Other › Bis(o-tolyl)carbodiimide; and 2,2',6,6'-Tetra isopropyl diphenyl carbodiimide" under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.