Erythrosin B
ALDRICH/200964 - Dye content ≥95 %
Synonym: Solvent Red 140
CAS Number: 15905-32-5
Empirical Formula (Hill Notation): C20H8I4O5
Molecular Weight: 835.89
EC Number: 240-046-0
MDL Number: MFCD00005044
Linear Formula: C20H8I4O5
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: 200964-25G
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: 200964-5G
| ε (extinction coefficient) | ≥102000 at 526-534 nm at 0.005 g/L (95% Methanol 5% 0.1M Na2CO3) |
| ≥13000 at 310-318 nm in 1 M NH4OH at 0.005 g/L (95% Methanol 5% 0.1M Na2CO3) | |
| ≥32000 at 258-266 nm at 0.005 g/L (95% Methanol 5% 0.1M Na2CO3) | |
| application(s) | diagnostic assay manufacturing hematology histology |
| color | orange to red-orange |
| composition | Dye content, ≥95% |
| form | powder |
| InChI | 1S/C20H8I4O5/c21-11-5-9-1 |
| InChI key | OALHHIHQOFIMEF-UHFFFAOYSA |
| mp | 303 °C (dec.) (lit.) |
| Quality Level | 100  |
| SMILES string | Oc1c(I)cc2c(Oc3c(I)c(O)c( |
| solubility | 1 M NH4OH: 1 mg/mL |
| 1 M NH4OH: soluble 1 mg/mL, orange to red | |
| storage temp. | room temp |
| Application: | Erythrosin B has been used as a dye in fluorescence lifetime imaging. |
| Biochem/physiol Actions: | Erythrosin B, also called as eosin B, is a xanthene dye. It belongs to the family of fluorescein dyes. It plays a major role in inhibiting dopamine uptake and high affinity 3H-ouabain binding and ion transport in synaptosomes from rat caudate nucleus. |
| Packaging: | 5, 25 g in glass bottle |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | 303 °C (dec.) (lit.) |
| Storage Temp. | room temp |
| Colour Index Number | 45430:2 |
| UNSPSC | 12171500 |