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546283

Coumarin 6

≥99%

Synonym(s):

3-(2-Benzothiazolyl)-7-(diethylamino)coumarin, 3-(2-Benzothiazolyl)-N,N-diethylumbelliferylamine

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About This Item

Empirical Formula (Hill Notation):
C20H18N2O2S
CAS Number:
38215-36-0
Molecular Weight:
350.43
UNSPSC Code:
12352103
NACRES:
NA.23
PubChem Substance ID:
329758042
EC Number:
253-830-2
Beilstein/REAXYS Number:
1085798
MDL number:
MFCD00041869
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assay

≥99%

form

solid

mp

208-210 °C (lit.)

λmax

443 nm

fluorescence

λem 494 nm in THF, λem 505 nm in ethanol (Lasing peak 534 nm, lasing range 515 - 558 nm (DMSO), pump source XeCl (308 nm))

orbital energy

HOMO 5.4 eV , LUMO 2.7 eV 

OLED device performance

ITO/Alq3:Coumarin 6/Mg:Ag

  • Color: green
  • Max. EQE: 2.5 %

SMILES string

CCN(CC)c1ccc2C=C(C(=O)Oc2c1)c3nc4ccccc4s3

InChI

1S/C20H18N2O2S/c1-3-22(4-2)14-10-9-13-11-15(20(23)24-17(13)12-14)19-21-16-7-5-6-8-18(16)25-19/h5-12H,3-4H2,1-2H3

InChI key

VBVAVBCYMYWNOU-UHFFFAOYSA-N

General description

Coumarin 6 as fluorescence lifetime standards in fluorescence spectroscopy was reported to be the most stable for performing lifetime experiments.

Application

It may be used to calibrate fluorescence lifetime imaging microscopy system.
Laser dye
Material used as Green Dopant

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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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Certificates of Analysis (COA)

Lot/Batch Number
SHBT7310
SHBR8837
SHBN4554
SHBL8649
MKCG7544

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Testing fluorescence lifetime standards using two-photon excitation and time-domain instrumentation: rhodamine B, coumarin 6 and lucifer yellow.
Kristoffersen AS,et al.
Journal of Fluorescence null
Seokjoon Lee et al.
Bioorganic & medicinal chemistry letters, 16(17), 4596-4599 (2006-06-24)
A series of 7-diethylaminocoumarin compounds were synthesized and the cytotoxicities were tested against human umbilical vein endothelial cell (HUVEC) and some cancer cells. We found that the introduction of cyano groups at the 4-position will promote the bioactivity. In particular
Monitoring protein interactions in living cells with fluorescence lifetime imaging microscopy
Sun Y, et al.
Methods in Enzymology null
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