17372-87-1 Eosin Y with Factory Price Acid Red 87 Eosin Y

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THE TNN DEVELOPMENT LIMITED

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17372-87-1
C20h6br4na2o5
Biochemical Reagents
AR
For Biological Purpose
Standard
Analytical Reagents
Dry Powder
Fine Chemicals
Industry, Scientific Research
Biochemical Reagent
45380
Available
Cool
>12months
TNN
25kg Drum
Ind Grade
China
Product Description
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

 

 

Product Parameters
Function of Eosin Y
 
Red crystal or brownish red powder, soluble in water; slightly soluble in ethanol; insoluble in ether, concentrated aqueous solution is dark brown red, dilute solution is orange with green fluorescence. The ethanol solution has a strong green fluorescence. Low toxicity. Used as adsorption indicator, biological dye.
Application of Eosin Y
Used as a biological stain. Also used as an adsorption indicator for precipitation titration determination of Br-, I-, SCN-, MoO, Ag , and the like. Used as a color developer for the determination of Ag , Pb2 , Mn2 , Zn2 , etc. by fluorescence
spectrophotometry.
Eosin Y (Acid Red 87)
ItemStandard

Content(C20H6O5Br4Na2)
70%-80%
85%-92%
≥92%
Sensitivity TestQualified
Water dissolution testQualified
Loss on Drying≤9%

 

Usage

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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