Nile Red
SIGMA/19123 - BioReagent, suitable for fluorescence, ≥97.0% (HPLC)
Synonym: Nile Blue A Oxazone
CAS Number: 7385-67-3
Empirical Formula (Hill Notation): C20H18N2O2
Molecular Weight: 318.37
EC Number: 230-966-0
MDL Number: MFCD00011639
Linear Formula: C20H18N2O2
Product Type: Chemical
| λmax | 553 nm |
| assay | ≥97.0% (HPLC) |
| fluorescence | λex 530 nm; λem 635 nm in methanol |
| form | solid |
| InChI | 1S/C20H18N2O2/c1-3-22(4-2 |
| InChI key | VOFUROIFQGPCGE-UHFFFAOYSA |
| mp | 203-205 °C (lit.) |
| 205-215 °C | |
| product line | BioReagent |
| Quality Level | 100 ![]() |
| SMILES string | CCN(CC)c1ccc2N=C3C(Oc2c1) |
| storage temp. | 2-8°C |
| suitability | suitable for fluorescence |
| Application: | Nile Red has been used for the staining of intracellular lipid droplets and neutral lipids. |
| General description: | Nile Red is an uncharged hydrophobic molecule and a benzophenoxazone dye. It functions as a fluorescent probe for intracellular lipids and hydrophobic domains of proteins. This dye is fluorescent in all organic solvents. Its fluorescence colors range from golden yellow to deep red. |
| Packaging: | Bottomless glass bottle. Contents are inside inserted fused cone. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥97.0% (HPLC) |
| mp | 203-205 °C (lit.); 205-215 °C |
| Storage Temp. | 2-8°C |
| UNSPSC | 12161900 |

