Certificate of Analysis

 

Product Name: Eosin Y Disodium
Catalog Number: M20501
CAS Number: 17372-87-1

Physical and Chemical Properties
Formula: C20H6Br4Na2O5
Molecular Weight: 691.85
Solubility: Water 100 mg/mL
Storage: 2-8°C, protect from light, sealed
Chemical Structure: Eosin Y Disodium Structure
Analytical Data
QC Standard: >99%, BS
H-NMR: Consistent with structure
Product Information
Description: Eosin Y is a form of eosin. It is most commonly used as an acidic red stain for highlighting cytoplasm material in samples.
   
Stability and Solubility Advice: Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide.
We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details.