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234117

Sigma-Aldrich

Oil Red EGN

powder

Synonym(s):

Solvent Red 26

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About This Item

Empirical Formula (Hill Notation):
C25H22N4O
CAS Number:
4477-79-6
Molecular Weight:
394.47
Colour Index Number:
26120
EC Number:
224-757-3
MDL number:
MFCD00009688
UNSPSC Code:
12171500
PubChem Substance ID:
24854021
NACRES:
NA.47

form

powder

Quality Level

300

composition

Carbon > 64.7%, Nitrogen > 12.1%

mp

130 °C (dec.) (lit.)

λmax

521 nm

ε (extinction coefficient)

≥14000 at 352-360 nm in chloroform at 0.02 g/L
≥25000 at 517-525 nm in chloroform at 0.02 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

Cc1ccccc1\N=N\c2cc(C)c(cc2C)\N=N\c3c(O)ccc4ccccc34

InChI

1S/C25H22N4O/c1-16-8-4-7-11-21(16)26-27-22-14-18(3)23(15-17(22)2)28-29-25-20-10-6-5-9-19(20)12-13-24(25)30/h4-15,30H,1-3H3/b27-26+,29-28+

InChI key

NRBKWAQSLYBVSG-ZDXBJJIESA-N

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Related Categories

Application

Oil Red EGN has been used to stain lipid droplets accumulated in cell during adipogenesis.

Biochem/physiol Actions

Oil Red EGN is widely used to stain small triglyceride droplets. However, it is not advantageous for staining larger droplets.

pictograms

Health hazard
GHS08

signalword

Warning

hcodes

H351

Hazard Classifications

Carc. 2

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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