Rose bengal
ALDRICH/330000 - ≥96% (HPLC), Dye content 95 %
Synonym: 4,5,6,7-
CAS Number: 632-69-9
Empirical Formula (Hill Notation): C20H2Cl4I4Na2O5
Molecular Weight: 1017.64
EC Number: 211-183-3
MDL Number: MFCD00005043
Linear Formula: C20H2Cl4I4Na2O5
Product Type: Chemical
ε (extinction coefficient) | ≥ 3000 at 350-354 nm |
≥12000 at 311-315 nm | |
≥32000 at 262-266 nm | |
≥32000 at 513-517 nm | |
≥98000 at 546-550 nm at 0.04 g/L (H2O + 1ml 1% Na2CO3) | |
application(s) | diagnostic assay manufacturing hematology histology |
assay | ≥96% (HPLC) |
color | red to brown |
composition | Dye content, 95% |
form | solid |
InChI | 1S/C20H4Cl4I4O5.2Na/c21-1 |
InChI key | UWBXIFCTIZXXLS-UHFFFAOYSA |
SMILES string | [Na+].[Na+].[O-]C(=O)c1c( |
storage temp. | room temp |
Application: | Rose Bengal has been used to evaluate acrosome integrity. It has also been used to initiate photothrombotic occlusion in blood. |
General 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. |
General description: | Rose Bengal is used to stain dead and degenerating cells and mucus. |
Packaging: | 1, 5 g in glass bottle |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 3 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | ≥96% (HPLC) |
Storage Temp. | room temp |
UNSPSC | 12171500 |