Eriochrome Black T
CAS No.: 1787-61-7 Formula: C20H12N3NaO7S
Weight: 461.38000
Synonyms: Medium Black 11
Eriochrome Black T(Among them, Eriochrome is the trademark of Ciba-Geigy Company), referred to as EBT, is a coordination indicator, which is often used for titration with EDTA to determine the calcium and magnesium content in water.