Rhodamine B base
ALDRICH/234141 - Dye content 97 %
Synonym: Solvent Red 49
CAS Number: 509-34-2
Empirical Formula (Hill Notation): C28H30N2O3
Molecular Weight: 442.55
EC Number: 208-096-8
MDL Number: MFCD00066967
Linear Formula: C28H30N2O3
Product Type: Chemical
| ε (extinction coefficient) | ≥103000 at 542-546 nm in methanol at 0.0025 g/L |
| λmax | 544 nm |
| application(s) | diagnostic assay manufacturing hematology histology |
| composition | Dye content, 97% |
| form | solid |
| InChI | 1S/C28H30N2O3/c1-5-29(6-2 |
| InChI key | CVAVMIODJQHEEH-UHFFFAOYSA |
| Quality Level | 100 ![]() |
| SMILES string | CCN(CC)c1ccc2c(OC3=CC(C= |
| solubility | ethanol: 1 mg/mL |
| storage temp. | room temp |
| technique(s) | microbe id | staining: suitable |
| Biochem/physiol Actions: | Rhodamine B base has been used as a marker in the experiment to determine the mating of B. thuringiensis-resistant females with B. thuringiensis-resistant and B. thuringiensis-susceptible males in reciprocal orders. |
| General description: | Rhodamine B base is a colorless dye with undetectable fluorescence feature. In acidic condition, rhodamine B base gets transformed into a colored rhodamine dye that acts as a stable and efficient laser dye. |
| Packaging: | 10, 25 g in glass bottle |
| Symbol | ![]() GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H302 - H315 - H318 - H335 |
| Precautionary statements | P261 - P280 - P305 + P351 + P338 |
| Hazard Codes | Xn |
| Risk Statements | 22-37/38-41 |
| Safety Statements | 26-36/37 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Storage Temp. | room temp |
| Colour Index Number | 45170:1 |
| UNSPSC | 12171500 |



