Water Soluble Acid Red 87 for Ink Pencil Carpets Dyeing Eosin Y

• CAS No.: 17372-87-1
• Formula: C20h6br4na2o5
• Classification: Biochemical Reagents
• Grade: AR
• Specific Usage: For Biological Purpose
• Content: Standard
• Model NO.: TNN009
• Usage: Analytical Reagents
• Source: Dry Powder
• Habit Appellation: Fine Chemicals
• Application: Industry, Scientific Research
• Property: Biochemical Reagent
• C.I. No.: 45380
• Transport Package: 25kg Drum
• Specification: Ind Grade
• Trademark: TNN
• Origin: China
• Production Capacity: 1500kg Per Month

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

 

Eosin Y (Acid Red 87)
Item	Standard
Content(C20H6O5Br4Na2)	70%-80%
	85%-92%
	≥92%
Sensitivity Test	Qualified
Water dissolution test	Qualified
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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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 YUsed 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.

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