Eriochrome blue black R (C.I. 15705), 25 g

Eriochrome Blue Black R (C.I. 15705) is used across pharmaceutical, biochemical, and research settings as a selective metal indicator. It has a molecular formula of C36H29Cl2N6O12S2 and a molecular weight of 839.08 g/mol. This compound is available in a 25 gram pack, with a specified purity of 98%. Eriochrome Blue Black R is a heterocyclic aromatic compound containing sulfur and nitrogen atoms, and it exhibits a deep blue color in acidic media when complexed with certain metal ions, making it useful for detecting and quantifying these elements. Additionally, it is stable under normal conditions and can be stored at room temperature for extended periods without significant degradation.

• CAS Number: 2538-85-4