| Product Name | Rose bengal, Dye content 95 % |
| Product Number | 330000 |
| Product Brand | ALDRICH |
| CAS Number | 632-69-9 |
| Molecular Weight | 1017.64 |
| TEST | SPECIFICATION |
| Appearance (Color) | Red to Brown |
| Appearance (Form) | Conforms |
| Powder and/or Chunks | |
| Infrared spectrum | Conforms to Structure |
| Wavelength | 546 - 550 nm |
| c = 0.004g/L H2O + 1ml 1% Na2CO3 | |
| Extinction Coefficient | ≥98000 |
| Wavelength | 513 - 517 nm |
| Extinction Coefficient | ≥32000 |
| Wavelength | 350 - 354 nm |
| Extinction Coefficient | ≥3000 |
| Wavelength | 311 - 315 nm |
| Extinction Coefficient | ≥12000 |
| Wavelength | 262 - 266 nm |
| Extinction Coefficient | ≥32000 |
| Purity (HPLC) | ≥95.0 % |
| Approximately | |
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