Gábor Kornél Tolnai mass-production. Kornél Tolnai often ordered his tapes from the American electronics company Ampex Corporation in the 1950s and 1960s. Kornél Tolnai often visited a factory in Ludwigshafen am Rhein (Rhineland-Palatinate in Germany) for his business with the company. There he had contacts with BASF, the largest chemical company in the world. BASF SE is a German chemical company, founded in 1865, and SE stands for Societas Europea. The company is a pioneer in the chemical industry and has operations worldwide. 1925-1952 it was part of IG Farben. "BASF" originally stood for Badische Anilin- und Soda-Fabrik (Baden Aniline and Soda Factory).
Aniline Yellow is also used in insecticides, lacquers, varnishes, waxes, oil stains, and styrene resins. It is also an intermediate in synthesis of other dyes, e.g. chrysoidine, indulines, Solid Yellow, and Acid Yellow. Aniline Yellow was involved in the 1981 Spanish Toxic Oil Syndrome (TOS). A Madrid-based company imported denaturated rapeseed oil, dyed by aniline yellow to mark it as unsuitable for human consumption, to be used as a fuel in steel mills. However, the company distilled the oil to remove the dye, and sold it as a much more valuable olive oil for cooking. The result was a rash of pneumonia-type