Molecular Formula: C20H6Br4Na2O5 C.I. No.: 45380 Standard: Ind Grade Purity:70%-80%;
Purity:85%-92%;
Purity:≥92%; Certificate: ISO
Specifications
Eosin Y (Acid Red 87)
Item
Standard
Items
Specifications
Content(C20H6O5Br4Na2)
≥85%
Sensitivity Test
Qualified
Water dissolution test
Qualified
Loss on Drying
≤9%
Application
As adsorption indicator
Used as a biological stain. It is also used as an adsorption indicator for precipitation titration determination of Br-, I-, SCN-, MoO, Ag+, etc. It is used as a color developing agent for the determination of Ag+, Pb2+, Mn2+, Zn2+, etc. by fluorescence spectrometry.