CAS: 517-28-2 EC No: 208-237-3 MDL No: MFCD00078111 RTECS: MH7875000 Powder Molecular Formula: C₁₆H₁₄O₆·xH₂O MW: 302.29 (anhydrous) Melting Point: 200° (decomposes)

Hematoxylin is Gill’s Formulation 2; a nuclear counter stain of blue-violet color. It is extracted from the heartwood of the logwood tree. When oxidized it forms haematein, a compound that forms strongly coloured complexes with certain metal ions, the most notable ones being Fe(III) and…