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Sigma-Aldrich

Bis(ethylenedithio)tetrathiafulvalene

98%

Synonym(s):

BEDT-TTF, Bi[5,6-dihydro-1,3-dithiolo[4,5-b][1,4]-dithiine-2-ylidene]

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About This Item

Empirical Formula (Hill Notation):
C10H8S8
CAS Number:
66946-48-3
Molecular Weight:
384.69
Beilstein:
1653830
MDL number:
MFCD00059710
UNSPSC Code:
12352103
PubChem Substance ID:
24862288
NACRES:
NA.23

Assay

98%

form

solid

mp

~260 °C (dec.) (lit.)

SMILES string

C1CSC2=C(S1)S\C(S2)=C3\SC4=C(SCCS4)S3

InChI

1S/C10H8S8/c1-2-12-6-5(11-1)15-9(16-6)10-17-7-8(18-10)14-4-3-13-7/h1-4H2

InChI key

LZJCVNLYDXCIBG-UHFFFAOYSA-N

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General description

Bis(ethylenedithio)tetrathiafulvalene (BEDT-TTF) is an organic superconducting polymer that is used as an electron donor with a superconducting transition temperature (Tc) of 10K.

Application

BEDT-TTF may be used as a counter-anion with tetrathiocyanatocuprate which can be prepared by the galvanostatic electrocrystallization process. It may also be used in the preparation of novel paramagnetic conductors by synthesizing multifunctional molecular materials with manganese containing complexes. BEDT-TTF based doping may be used in the fabrication of a hybrid organic change generation layer which can potentially be used in the development of tandem organic light emitting diodes (OLEDs).
Used as a component for organic superconductors.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

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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Anion polarity-induced self-doping in a purely organic paramagnetic conductor, α?-α?-(BEDT-TTF) 2 (PO-CONH-m-C6H4SO3)? H2O where BEDT-TTF is bis (ethylenedithio) tetrathiafulvalene and PO is the radical 2, 2, 5, 5-Tetramethyl-3-pyrrolin-1-oxyl.
Akutsu H, et al.
Polyhedron, 136, 23-29 (2017)
Yoshitaka Kawasugi et al.
Science advances, 5(5), eaav7282-eaav7282 (2019-05-17)
A Mott insulator sometimes induces unconventional superconductivity in its neighbors when doped and/or pressurized. Because the phase diagram should be strongly related to the microscopic mechanism of the superconductivity, it is important to obtain the global phase diagram surrounding the
Lee Martin et al.
Dalton transactions (Cambridge, England : 2003), 46(29), 9542-9548 (2017-07-14)
This article reports a family of new radical-cation salts of bis(ethylenedithio)tetrathiafulvalene (BEDT-TTF) with tris(oxalato)rhodate: three salts with the formula β''-(BEDT-TTF)
A new compound in the BEDT-TTF family [BEDT-TTF= bis (ethylenedithio) tetrathiafulvalene] with a tetrathiocyanatocuprate (II) anion,(BEDT-TTF) 4 [Cu (NCS) 4].
Faulmann C, et al.
Acta Crystallographica Section E: Crystallographic Communications, 74(12), 1755-1758 (2018)
Péter Szirmai et al.
Proceedings of the National Academy of Sciences of the United States of America, 117(47), 29555-29560 (2020-11-07)
The exotic properties of quantum spin liquids (QSLs) have continually been of interest since Anderson's 1973 ground-breaking idea. Geometrical frustration, quantum fluctuations, and low dimensionality are the most often evoked material's characteristics that favor the long-range fluctuating spin state without
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