Certificate of Analysis

 

Product Name: Rose Bengal
Catalog Number: M15100
CAS Number: 632-69-9

Physical and Chemical Properties
Formula: C20H5Cl4I4NaO5
Molecular Weight: 997.66
Solubility: Water 30 mg/mL
Storage: 4°C, protect from light, dry, sealed
Chemical Structure: Rose Bengal Structure
Analytical Data
QC Standard: 95%
H-NMR: Consistent with structure
Product Information
Description: Rose Bengal is a red or rose color dye and is anionic in nature. It is a 4,5,6,7-tetrachloro 2′,4′,5′,7′-tetraiodo derivative of fluorescein. It is widely used to detect damage to the ocular surface epithelium in ocular surface diseases such as dry eye and herpetic keratitis. Rose Bengal has mild antiviral potency. Rose Bengal is used to stain dead and degenerating cells and mucus.
   
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.