Eosin Y

It is also used as an adsorption indicator for precipitation titration determination

Description

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Eosin Y (Acid Red 87)

Product Description

Product Name: Eosin Y (Acid Red 87)

CAS No.: 17372-87-1
Molecular Formula: C20H6Br4Na2O5
C.I. No.: 45380
Standard: Ind Grade
Purity:70%-80%;Purity:85%-92%;
Purity:≥92%;
Certificate: ISO

Specification

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.

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