Rose bengal (4,5,6,7-tetrachloro-2′,4′,5′,7′-tetraiodofluorescein) is a stain. Its sodium salt is commonly used in eye drops to stain damaged conjunctival and corneal cells and thereby identify damage to the eye.
| Rose Bengal, GR - Specification | |
| Synonyms | 4,5,6,7-Tetrachloro-2',4',5',7'-tetraiodofluorescein disodium salt, Acid Red 94, Bengal Rose B sodium salt, Rose Bengal sodium salt |
| Categories | Biological stains, Stains & dyes |
| Composition | Dye content, 95% |
| Appearance (Form) | Powder |
| Appearance (Colour) | Maroon to dark red to brown |
| Absorption maxima (0.001% in water + 1ml 1%Na2CO3 soln) | 540 - 550 nm |
| HSN Code | 32049000 |
| Rose Bengal, dye content - Specification | |
| Synonyms | 4,5,6,7-Tetrachloro-2′,4′,5′,7′-tetraiodofluorescein disodium salt, Acid Red 94, Bengal Rose B sodium salt, Rose Bengal sodium salt |
| Categories | Hematology & histology |
| Composition | 95% dye content |
| Appearance (Form) | Powder |
| Appearance (Colour) | Red to brown |
| HSN Code | 32049000 |