Rose Bengal 95% (dye content) ≥96% (by HPLC), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Certificates
About this item
CAS Number:632-69-9
:MFCD00005043
Formula:C₂₀H₂Cl₄I₄O₅Na₂
MDL Number:MFCD00151169
:1017.63 g/mol
Storage Temperature:Ambient
EINECS:211-183-3
Specification Test Results
- Appearance (Colour):Red to Brown
- Appearance (Form): Powder and/or Chunks:Conforms
- Infrared spectrum:Conforms to Structure
- Wave Length, c = 0.004 g/L H2O + 1 ml 1% Na2CO3:546 - 550 nm
- Extinction Coefficient:≥98000
- Wave Length:513 - 517 nm
- Purity (HPLC):Approximately ≥95.0%