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804878

Sigma-Aldrich

6-bromo-3-[6-bromo-1-(2-ethylhexyl)-1,2-dihydro-2-oxo-3H-indol-3-ylidene]-1-(2-ethylhexyl)-1,3-dihydro-2H-indol-2-one

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About This Item

Empirical Formula (Hill Notation):
C32H40Br2N2O2
CAS Number:
Molecular Weight:
644.48
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.23

assay

98%

form

dispersion

concentration

3.8-4.2 mg/mL

pH

1.5-2.5

mp

105-110 °C

SMILES string

BrC(C=C1)=CC2=C1/C(C(N2CC(CC)CCCC)=O)=C(C(N3CC(CC)CCCC)=O)/C4=C3C=C(Br)C=C4

InChI

1S/C32H40Br2N2O2/c1-5-9-11-21(7-3)19-35-27-17-23(33)13-15-25(27)29(31(35)37)30-26-16-14-24(34)18-28(26)36(32(30)38)20-22(8-4)12-10-6-2/h13-18,21-22H,5-12,19-20H2,1-4H3/b30-29+

InChI key

HUEXOUHCCSVYLP-QVIHXGFCSA-N

General description

Monolayer Sheets by SEM.

Application

Electron accepting building block for the preparation of electroactive materials for organic electronics.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

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Isoindigo-based copolymers for polymer solar cells with efficiency over 7%.
Ho CC, et al.
Journal of Material Chemistry A, 2(21), 8026-8032 (2014)
Synthesis of isoindigo-based oligothiophenes for molecular bulk heterojunction solar cells.
Mei J, et al.
Organic Letters, 12(4), 660-663 (2010)
Yi Ren et al.
ACS applied materials & interfaces, 6(16), 14533-14542 (2014-08-05)
We designed and synthesized a series of isoindigo-based derivatives to investigate how chemical structure modification at both the 6,6'- and 5,5'-positions of the core with electron-rich and electron-poor moieties affect photophysical and redox properties as well as their solid-state organization.

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