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Merck
CN

72485

Nile Red

suitable for microscopy

Synonym(s):

Nile Blue A Oxazone

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About This Item

Empirical Formula (Hill Notation):
C20H18N2O2
CAS Number:
Molecular Weight:
318.37
UNSPSC Code:
12171500
NACRES:
NA.32
PubChem Substance ID:
EC Number:
230-966-0
Beilstein/REAXYS Number:
279110
MDL number:
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form

crystals

Quality Level

mol wt

318.37 g/mol

color

brown to very dark brown, red to very dark red

mp

203-205 °C (lit.)

solubility

methanol: 0.01 g/10 mL (red to very dark red)

λmax

553 nm

suitability

suitable for microscopy

SMILES string

CCN(CC)c1ccc2N=C3C(Oc2c1)=CC(=O)c4ccccc34

InChI

1S/C20H18N2O2/c1-3-22(4-2)13-9-10-16-18(11-13)24-19-12-17(23)14-7-5-6-8-15(14)20(19)21-16/h5-12H,3-4H2,1-2H3

InChI key

VOFUROIFQGPCGE-UHFFFAOYSA-N

General description

Nile Red is a phenoxazone dye. It is an important stain, which is used to detect intracellular lipid droplets and proteins. Nile Red detects lysosomes and lysosome-related organelles, like gut granules in C. elegans intestinal cells. It exhibits strong fluorescence enhancement and is used for staining SDS (sodium dodecyl sulphate) gels.

Application

Nile Red has been used:
  • as a fluorescent dye for staining fat by confocal scanning laser microscopy (CSLM)
  • to label nanoparticles (NPs)
  • for lipid analysis


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Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)



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Influence of process parameters on formation of fibrous materials from dense calcium caseinate dispersions and fat
Manski JM, et al.
Food Hydrocolloids, 22(4), 587-600 (2008)
Labeling nanoparticles: Dye leakage and altered cellular uptake
Snipstad S, et al.
Cytometry. Part A : the Journal of the International Society For Analytical Cytology, 91(8), 760-766 (2017)
Protein Gel Staining Methods: An Introduction and Overview
Steinberg TH
Methods in Enzymology, 463, 541-563 (2009)



Global Trade Item Number

SKUGTIN
72485-100MG04061835570683
72485-1G04061832861388