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Eriochrom blue black R (C.I. 15705), for complexometry, 100 g, glass
Eriochrom blue black R (C.I. 15705), for complexometry, Molar mass (M) 416,39 g/mol, CAS No. [2538-85-4], EG-Nr. 219-810-2, Empirical formula C20H13N2O5SNa