Rose bengal
ALDRICH/198250 - certified by the Biological Stain Commission, Dye content ≥80 %
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
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 198250-25G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 198250-5G
| ε (extinction coefficient) | ≥90000 at 546-550 nm at 0.008 g/L |
| λmax | 548 nm |
| application(s) | diagnostic assay manufacturing hematology histology |
| color | dark violet |
| composition | Dye content, ≥80% |
| form | powder |
| grade | certified by the Biological Stain Commission |
| InChI | 1S/C20H4Cl4I4O5.2Na/c21-1 |
| InChI key | UWBXIFCTIZXXLS-UHFFFAOYSA |
| Quality Level | 100  |
| SMILES string | [Na+].[Na+].[O-]C(=O)c1c( |
| solubility | H2O: 1 mg/mL |
| storage temp. | room temp |
| Application: | Rose bengal has several microbilogical staining applications including:• Conn′s technique for bacteria in soil and Kreyberg′s stain for keratin and mucus • counterstaining hematoxylin • staining cellular inclusions, together with Bismark brown |
| General description: | Rose Bengal is the sodium salt of tetraiodotetrachlorouores |
| Packaging: | 5, 25 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 |
| Storage Temp. | room temp |
| Colour Index Number | 45440 |
| UNSPSC | 12171500 |