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Eriochrom blue black B (C.I. 14640), for complexometry, 5 g, glass
Eriochrom blue black B (C.I. 14640), for complexometry, Molar mass (M) 416,39 g/mol, CAS No. [3564-14-5], EG-Nr. 222-639-6, Empirical formula C20H14N2O5S