Bromochlorophenol Blue, Sodium Salt

Other Names Phenol, 4,4 -(3H-2,l-benzoxathiol-3-ylidene) [2-bromo-6-chloro-, S,S-dioxide, monosodium salt 3H-2,l-Benzoxathiole, phenol deriv. 

CAS Registry Number 102185-52-4 Merck Index Number Not listed Chemical Structure 

Chemical/Dye Class Sulfonephthalein Molecular Formula Ci9H9Br2Cl205SNa Molecular Weight 580.07 pH Range 3.0-4.6 

Physical Form Black powder Solubility Soluble in water, ethanol UV-Visible (Xmax) 590 nm Melting Point 250°C Synthesis Synthetic methodi Major Applications Chemical probe  

---