Chemical products companies in Brazil, which exported $2.4 billion to the U.S. last year, face a slew of contract cancellations as President Donald Trump has threatened a new 50% tariff on the South American nation's exports from August 1.

Brazilian President Luiz Inácio Lula da Silva said Thursday that his government has not been successful in trying to negotiate the 50% tariff on Brazilian imports that U.S. President Donald Trump has threatened to impose.

With Donald Trump's punitive tariffs against Brazil poised to take effect within days, Latin America's largest economy is bracing for a virtual embargo on its planes, grains, and crude oil. Lula promised to apply "reciprocity" if Trump's tariff threat materializes,