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757225

Sigma-Aldrich

Thieno[3,2-b]thiophene-2,5-dicarboxaldehyde

96%

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About This Item

Empirical Formula (Hill Notation):
C8H4O2S2
CAS Number:
37882-75-0
Molecular Weight:
196.25
MDL number:
MFCD03931117
UNSPSC Code:
12352103
PubChem Substance ID:
329766658
NACRES:
NA.23
Pricing and availability is not currently available.

Quality Level

100

Assay

96%

form

solid

mp

274-277 °C

storage temp.

2-8°C

SMILES string

O=Cc1cc2sc(C=O)cc2s1

InChI

1S/C8H4O2S2/c9-3-5-1-7-8(11-5)2-6(4-10)12-7/h1-4H

InChI key

UBKNFAFBINVTOP-UHFFFAOYSA-N

Application

This molecule has been used in the synthesis of novel metal-free organic dyes for Dye-Sensitized Solar Cells reaching conversion efficiencies of 6.23%.[1]

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H317,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW8647
MKCN4833
MKCN1583
MKCL5476
MKCH5434

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Shao-Lu Li et al.
Chemical communications (Cambridge, England), 26(26), 2792-2794 (2006-10-03)
Two novel metal-free organic dyes containing thienothiophene and thiophene segments have been synthesized. Nano-crystalline TiO2 dye-sensitized solar cells were fabricated using these dyes as light-harvesting sensitizers, and a high solar energy-to-electricity conversion efficiency of 6.23% was achieved.
Niklas Keller et al.
Nanoscale, 11(48), 23338-23345 (2019-12-04)
Covalent organic frameworks (COFs), consisting of covalently connected organic building units, combine attractive features such as crystallinity, open porosity and widely tunable physical properties. For optoelectronic applications, the incorporation of heteroatoms into a 2D COF has the potential to yield

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