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B 2424 (OTTO) 5-tert-Butyl-m-xylene, 98% Cas 98-19-1 - used in the synthesis of bulky, multi-alkylated diaryl disulfides such as bis(4-tert-butyl-2,6-dimethylphenyl) disulfide and bis(2,4,6-triisopropylphenyl) disulfide