Rose Bengal 95% (dye content) ≥96% (by HPLC), Sigma-Aldrich®
Supplier: SIGMA-ALDRICH MICROSCOPY
Ratings:
(No Reviews)
Total Ratings: 0
Avg. Ratings: 0.0 out of 5
Synonyms:
Acid red 94
, Sodium 4,5,6,7-tetrachloro-2',4',5',7'-tetraiodo-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate)
, CI 45440
, Food Red No. 105
, Aniline Rose
, Rose Bengal sodium
330000-5GEA
395
GBP
330000-5G
330000-1G
Rose Bengal 95% (dye content) ≥96% (by HPLC), Sigma-Aldrich®
Rose Bengal
Rose Bengal has been used to evaluate acrosome integrity. It has also been used to initiate photothrombotic occlusion in blood.
Formula:
C₂₀H₂Cl₄I₄O₅Na₂ MW: 1017.63 g/mol Storage Temperature: Ambient |
MDL Number:
MFCD00151169 CAS Number: 632-69-9 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 |
Extinction Coefficient | ≥32000 |
Wave Length | 350 - 354 nm |
Extinction Coefficient | ≥3000 |
Wave Length | 311 - 315 nm |
Extinction Coefficient | ≥12000 |
Wave Length | 262 - 266 nm |
Extinction Coefficient | ≥32000 |
Purity (HPLC) | Approximately ≥95.0% |
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